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(This syllabus is not part of the opinion of the Court. It has been prepared by the Office of the Clerk for the convenience of the reader. It has been neither reviewed nor approved by the Supreme Court. Please note that, in the interests of brevity, portions of any opinion may not have been summarized).

JOHN J. ROBERTS, ET AL V. RICH FOODS, INC., ET AL (A-68-94)

Argued November 29, 1994 -- Decided March 21, 1995

GARIBALDI, J., writing for a unanimous Court.

    The matter before the Court concerns the interpretation of the phrase "without impairing the usefulness of the product" as used in section 3a(2) of the New Jersey Products Liability Act of 1987 (the Act). Section 3a(2) of the Act provides an absolute, affirmative defense for defendants in product-liability action that alleges design defect, if "the harm was caused by an unsafe aspect of the product that is an inherent characteristic of the product and that would be recognized by the ordinary person who uses or consumes the product." There are two exceptions to section 3a(2) that preclude the use of the defense: when (1) the product is industrial machinery or other equipment that is used in the workplace; and when (2) the danger "can feasibly be eliminated without impairing the usefulness of the product."

    On August 27, 1987, a tractor-trailer owned by Rich Foods, Inc., and operated by William Lovette struck a car driven by Anita Roberts (Roberts). Roberts was rendered a paraplegic. Roberts' husband, John, and their minor children were also injured. Following the accident, Lovette told police that, as he had entered a construction area with a posted speed limit of 45 miles per hour, he had been driving at 60 to 65 miles per hour and entering data in an "X-300" on-board computer manufactured by Cadec Systems, Inc. (Cadec).

    In September 1987, John Roberts, individually and on behalf of his minor children, filed a complaint charging Rich Foods, Lovette and his wife with negligence in causing the accident. In February 1988, Roberts filed a cross-claim against Rich Foods and Lovette, and a third-party complaint against five other parties involved in the accident. On August 25, 1989, both John Roberts and Anita Roberts amended their pleadings to allege a products-liability action against Cadec for defectively designing, manufacturing, and labeling the computer. The members of the Roberts family eventually settled with Rich Foods and Lovette.

    The sole issue at trial was whether Cadec defectively designed the X-300 computer by enabling it to be operated while a truck is in motion, thereby increasing the risk that the driver's attention will be diverted from the road. Trucking companies are required to pay taxes based on fuel and road usage (mileage) in each state. The X-300's purpose is to provide a computerized record of that road-usage information for tax-reporting requirements. There was testimony at trial that the state/toll-road function of the computer is operable while the vehicle is moving so that, when crossing state lines or entering or exiting toll roads, a driver can record data with greater precision. The computer automatically records the odometer reading, time, and date when the driver presses the appropriate button that is similar to the button depression on a car radio. There was also testimony that it was technologically and economically feasible to make the X-300 operable only when a truck is stationary and that the reason the computer is operable while the vehicle is in motion is for the convenience of the driver.

    The trial court charged the jury that Roberts had the burden of proving that the computer was defective because it was not reasonably safe for its intended or reasonably foreseeable use. To meet that burden, Roberts had to prove that the computer's risks outweighed its utility. The trial court instructed the jury to use the risk/utility analysis for the purpose of determining whether the Cadec computer was defectively designed. The court also charged the jury on the section 3a(2) defense, but not on that section's two statutory exceptions.

    At the conclusion of trial, the jury found that the computer was not defective and returned a verdict of no cause of action. Roberts appealed, claiming that the charge on the section 3a(2) defense was reversible error because the two exceptions made the defense unavailable to Cadec. The Appellate Division reversed and remanded for a new trial, finding that the trial judge should have instructed the jury on the risk/utility analysis but not on the section 3a(2) defense because: the dangers posed by the computer feasibly could have been eliminated without impairing the usefulness of the product; driver convenience was insufficient to justify the unsafe character of the product; and the defense of section 3a(2) was unavailable because the second statutory exception applied.

    The Supreme Court granted Cadec's petition for certification.

HELD:    To preclude the defendant's use of the 3a(2) defense, the plaintiff bears the burden of proving that the danger feasibly could have been eliminated without impairing the product's usefulness. A plaintiff seeking to establish this second exception to the 3a(2) defense must prove that the defendant could have eliminated the danger without eliminating an inherent characteristic of the product, and thereby significantly diminishing the product's intended use.

1.    In interpreting section 3a(2), the Court is mindful of the legislative policy limiting the liability of manufacturers in order to balance the interests of the public and the individual with a view toward economic reality. Under common law, the components of the 3a(2) defense were part of the risk/utility analysis, and it was the plaintiff's burden to prove that the risk outweighed utility. That burden remains the same under section 3a(2). (pp. 8-14)

2.    The Act provides the defendant with a defense that did not exist under common law. Under the Act, a product that satisfies the 3a(2) standard is, by statutory definition, not defectively designed. Because this is an affirmative defense, it is the defendant who has the burden of proof. However, case law and legislative history are silent on whose burden it is to prove the second exception to section 3a(2) that the danger feasibly could have been eliminated without impairing the usefulness of the product. Placing that burden of proof on the plaintiff conforms to both the plain language of the statute and the legislative intent. (pp. 14-16)

3.    The legislative history of the Act suggests that "without impairing the usefulness" implicates the product's inherent characteristics and intended use. Dangers that are inherent cannot be eliminated without impairing usefulness; an inherent danger arises from an aspect of the product that is indispensable to its intended use. Further, "impairing the usefulness of the product" means significantly diminishing its intended use. Thus, even when it is economically feasible to eliminate the danger, section 3a(2) still provides a defense if eliminating the danger would require eliminating an inherent characteristic. Of course, an inherent characteristic is one that is an essential characteristic. (pp. 16-20)

4.    Although it is technologically and economically feasible to redesign the computer, it is not clear that that can be done without impairing the product's usefulness. Thus, the jury must decide whether operability of all functions of the computer while in motion is an inherent characteristic of the X-300, and whether eliminating that feature in whole or in part would significantly diminish its intended use. Here, the trial court failed to properly charge the jury in respect of the exception to the 3a(2) defense. Whether Cadec, without impairing the usefulness of the computer, could have eliminated the dangers posed by the X-300's being operable while in motion is a question of fact that a jury properly charged should decide. (pp. 20-22)

    As MODIFIED, the judgment of the Appellate Division is AFFIRMED.

     CHIEF JUSTICE WILENTZ and JUSTICES HANDLER, POLLOCK, O'HERN and STEIN join in JUSTICE GARIBALDI's opinion. JUSTICE COLEMAN did not participate.
                            

                            SUPREME COURT OF NEW JERSEY
                             A- 68 September Term 1994

JOHN J. ROBERTS, both as an
individual and as guardian ad
litem for the minor Plaintiffs
JAMES A. ROBERTS and SHERRY A.
ROBERTS,

    Plaintiffs,

     v.

RICH FOODS, INC., a foreign
corporations, WILLIAM LOVETTE,
and ANITA I. ROBERTS,

    Defendants,

     and

ANITA I. ROBERTS,

    Defendant and Third-Party
    Plaintiff-Respondent,

     v.

CADEC SYSTEMS, INC., a foreign
corporation,

    Defendant and Third-Party
    Defendant-Appellant,

     and

THE ESTATE OF ORLANDO SOLER,
THE ESTATE OF MARILYN MENKES,
STONE AND WEBSTER ENGINEERING
CORPORATION, a Massachusetts
corporation authorized to do
business in the State of New
Jersey, CONDUIT AND FOUNDATION
corporation, a Pennsylvania
corporation authorized to do
business in the State of New

Jersey, FLEET SAFETY, a Virginia
corporation, NEW JERSEY TURNPIKE
AUTHORITY, and JOHN DOE l-l50,
i/j/s/a,

    Third-Party Defendants.

        Argued November 29, 1994 -- Decided March 21, 1995

        On certification to the Superior Court,
        Appellate Division.

        Penny A. Bennett argued the cause for appellant (Smith, Stratton, Wise, Heber & Brennan, attorneys; Peter R. Freed, of counsel; Mr. Freed and Grayson Barber, on the brief).

        Benjamin Goldstein argued the cause for respondent (Maressa, Goldstein, Birsner, Patterson, Drinkwater & Oddo, attorneys).

    The opinion of the Court was delivered by

GARIBALDI, J.

    This appeal concerns the interpretation of the phrase "without impairing the usefulness of the product" as used in section 3a(2) of the New Jersey Products Liability Act of 1987 (the Act), N.J.S.A. 2A:58C-1 to -7. Section 3a(2) of the Act provides an absolute, affirmative defense for defendants in suits for design defect, if "the harm was caused by an unsafe aspect of the product that is an inherent characteristic of the product and that would be recognized by the ordinary person who uses or consumes the product." Section 3a(2) also provides two exceptions that preclude use of the defense: when the product is "industrial machinery or other equipment [that] is used in the workplace"; and when the danger "can feasibly be eliminated

without impairing the usefulness of the product." Only the second exception is before us.

and cross-claims among the many parties involved, the members of the Roberts family settled with Rich Foods and Lovette. All parties agreed that Lovette had been negligent; that Rich Foods, as his employer, was responsible; and that Lovette's negligence was a proximate cause of the accident.
    The sole issue at trial was whether Cadec defectively designed the X-300 by allowing it to operate while a truck is in motion, which raises the risk that the driver's attention will be diverted from the road. The X-300 is Cadec's top of the line on-board computer. At issue is its "state/toll-road" function. Trucking companies are required to pay taxes based on fuel and road usage (mileage) in each state. The X-300's purpose is to provide a computerized record of that road-usage information for tax-reporting purposes.
    At trial, Ernest J. Simmons., Jr., Cadec's former Chairman, President, Chief Executive Officer, and Treasurer, who was extensively involved in the designing of the X-300, testified that
        [t]he state/toll road feature is a button . . . on the panel . . . and upon depression of that button the on-board computer automatically records the odometer, the time . . . and the day. . . [T]hat recording together with information that is subsequently entered by the driver at some time thereafter, not necessarily coincident with the depression of the button, but at some time when it's safe to do so, that information is ultimately turned into a dispatch . . . and processed on a central computer . . . . [The purpose of that information is] to gather road usage, or to gather data for tax reporting purposes . . .

[relating to] road use taxes for various states.

Simmons explained that the state/toll-road function is operable while a vehicle is in motion so that, when crossing state lines or entering or exiting toll roads, a driver can record data with greater precision.
    At trial, the Robertses' counsel also read into evidence the deposition of Steven Frye, a Cadec program analyst. Frye, like Simmons, explained the purpose and operation of the state/toll-road feature. He noted that the entire data-recording procedure takes over ten seconds. If it is unsafe to enter information while in motion, the driver can do so at a later time, when the truck is stationary.
    Cadec's Driver's Guide describes the initial entry of data using the state/toll-function as the one entry that automatically records the odometer reading, time, and date when the driver presses a button on the computer. The Guide gives the following instructions:
        1. Press the state/toll button to record the crossing of a state line, and when you enter or leave a toll road. The unit records the date, time and odometer reading when the button is pressed. Record the following information when it is safe to do so.

displayed." The other entries can be recorded at a later time, "when it is safe to do so."
    Cadec's Driver's Guide, however, does not indicate when it would be safe to record those other entries. According to Frye, Cadec expected each driver to exercise discretion about when it is safe to enter data. Frye admitted that it was technologically and economically feasible to make the X-300 operable only when a truck is stationary. According to Frye, Cadec's reason for making the computer operable while in motion was convenience to the driver in being able to enter data while driving away from a toll booth.
    At the close of evidence, the Robertses moved for a directed verdict on the grounds that Cadec conceded that it could have designed the X-300 more safely by requiring the truck to be stationary when the driver enters information. The trial court denied the motion, finding that, because such a change would diminish the usefulness of the X-300, it would implicate the risk/utility analysis of the computer.
    The trial court charged the jury that it was plaintiffs' burden to prove that the computer was defective because it was not reasonably safe for its intended or reasonably foreseeable use. To meet that burden, plaintiffs would have to prove that the computer's risks outweighed its utility. The trial court then instructed the jury to employ a risk/utility analysis for the purposes of determining whether the Cadec computer was defectively designed. Over the Robertses' objection, the court

went on to instruct the jury on the section 3a(2) defense, but not on that section's two statutory exceptions.
    The jury found that the computer was not defective and returned a verdict of no cause of action. The trial court then denied the Robertses' motion for a new trial or, in the alternative, for a judgment n.o.v. Only Anita Roberts appealed, claiming that the charge on the section 3a(2) defense was reversible error because the two exceptions -- workplace equipment and feasible elimination of the danger without impairing usefulness -- made the defense unavailable to Cadec.
    In an unpublished opinion, the Appellate Division reversed and remanded for a new trial. Because Cadec "acknowledged that it was technologically and economically feasible to have designed the computer to require the truck to be stationary in order to operate the computer," the Appellate Division held that "[t]he judge should not have charged this statute because it was undisputed that the dangers posed by this computer could have 'feasibly be[en] eliminated without impairing the usefulness of the product.'" (quoting N.J.S.A. 2A:58C-3a(2)).
    The Appellate Division found "driver convenience" and "greater precision in recording" insufficient to justify the unsafe character of the X-300. The court held that, because the second statutory exception of section 3a(2) applied, the section 3a(2) defense was not available to Cadec. Therefore, the Appellate Division concluded that the trial court should have given an instruction on only risk/utility analysis, and not on

the section 3a(2) defense. The Appellate Division remanded the case for a new trial on Roberts's third-party complaint against Cadec.
    We granted Cadec's petition for certification, ___ N.J. ___ (1994).

should as "matter of sound judicial policy, . . . apply this conservative legislative policy"). The Legislature
        limit[ed] the expansion of products-liability law by creating absolute defenses and rebuttable presumptions of nonliability. See N.J.S.A. 2A:58C-3(a)(1) (adopting "state of the art" as complete defense in design defect claims); N.J.S.A. 2A:58C-3(a)(2) (providing that a product is not defectively designed if inherent characteristics of the product are known to ordinary person who uses it or consumes it with knowledge common to the class of persons for whom product was intended); N.J.S.A. 2A:58C-3(a)(3) (adopting comment k of the Restatement (Second) of Torts, which provides that a manufacturer or seller is not liable for a design defect if harm results from unavoidably unsafe aspect and product is accompanied by proper warning); N.J.S.A. 2A:58C-4 (establishing presumption of adequate warning if warning approved or prescribed by FDA).

evidence that the product causing the harm was not reasonably fit, suitable or safe for its intended purpose." N.J.S.A. 2A:58C-2. Except as modified by sections 3 and 4 of the Act, the elements of the causes of action brought for such product claims "are to be determined according to the existing common law of the State." Senate Judiciary Comm., Statement to Senate Bill No. 2805 (July 22, 1987), reprinted in note following section 1 (hereinafter "Senate Judiciary Committee Statement").
    In attempting to limit a manufacturer's liability, the Legislature, via the Act, strengthened rather than weakened the state-of-the-art defense. William A. Dreier, Analysis: 1987 Products Liability Act, 41 Rutgers L.R. 1279, 1298 (1989). We note, however, that section 3b recognizes an exception to the 3a(1) state-of-the-art defense that is not applicable to this case. The section 3b exception applies to certain egregiously unsafe or ultrahazardous products that have hidden risks or could seriously injure third persons, and have little or no usefulness. State-of-the-art evidence is not a defense to liability for injury caused by such products. However, "[i]t is intended that such a finding would be made only in genuinely extraordinary cases -- for example, in the case of a deadly toy marketed for use by young children, or of a product marketed for use in dangerous criminal activities." Senate Judiciary Committee Statement. What is clear is that "section 3(a)(1) now establishes a defense, subject only to the limited exceptions in section 3(b)." Dreier, supra, 41 Rutgers L.R. at 1298.

            . . . .

        (2) The characteristics of the product are known to the ordinary consumer or user, and the harm was caused by an unsafe aspect of the product that is an inherent characteristic of the product and that would be recognized by the ordinary person who uses or consumes the product with the ordinary knowledge common to the class of persons for whom the product is intended, except that this paragraph shall not apply to industrial machinery or other equipment used in the workplace and it is not intended to apply to dangers posed by products such as machinery or equipment that can feasibly be eliminated without impairing the usefulness of the product . . . .

    In construing a statute we first look at its plain language. Merin, supra, 126 N.J. at 434. The Senate Judiciary Committee Statement notes that section 3a(2) adopts the "consumer expectations" test that we recognized in O'Brien v. Muskin Corp., 94 N.J. 169 (1983) and Suter v. San Angelo Foundry & Machine Co., 81 N.J. 150 (1979). However, examining the language of section 3a(2), we recognized in Dewey, supra, that the test is really a "'hybrid' provision [that] combines the 'consumer expectations' doctrine for determining whether a product is defective with the obvious-danger factor of the risk-utility analysis to create a defense to a design-defect claim." 121 N.J. at 96 (citations omitted).

    Under pre-Act New Jersey case law, the risk/utility analysis determined whether or not a product was defectively designed - that is, whether its design was fit for its intended purpose. In Cepeda v. Cumberland Engineering Co., 76 N.J. 152 (1978), overruled in part by Suter, supra, 81 N.J. 150, we listed the factors of that analysis:
            (1) The usefulness and desirability of the product -- its utility to the user and to the public as a whole.
            (2) The safety aspects of the product - the likelihood that it will cause injury, and the probable seriousness of the injury.
            (3) The availability of a substitute product which would meet the same need and not be as unsafe.
            (4) The manufacturer's ability to eliminate the unsafe character of the product without impairing its usefulness or making it too expensive to maintain its utility.
            (5) The user's ability to avoid danger by the exercise of care in the use of the product.
            (6) The user's anticipated awareness of the dangers inherent in the product and their avoidability, because of general public knowledge of the obvious condition of the product, or of the existence of suitable warnings or instructions.
            (7) The feasibility, on the part of the manufacturer, of spreading the loss by setting the price of the product or carrying liability insurance.

            [Id. at 174 (quoting John W. Wade, On the Nature of Strict Tort Liability For Products, 44 Miss. L.J. 825, 837-38 (1973).]
Under O'Brien, supra, a product was defective, and unfit for its intended purpose, if its risks outweighed its utility: "In a design-defect case, the plaintiff bears the burden of both going forward with the evidence and of persuasion that the product

contained a defect. To establish a prima facie case, the plaintiff should adduce sufficient evidence on the risk-utility factors to establish a defect." 94 N.J. at 185.
    The Act, however,
        converted into absolute affirmative defenses what had been under the common law merely factors in the overall risk/utility analysis. Dewey v. R.J. Reynolds, 121 N.J. at 96. Specifically, it created as absolute defenses a state-of-the-art defense, N.J.S.A. 2A:58C-3a(1); an obvious-danger/consumer expectations defense, N.J.S.A. 2A:58C-3a(2); and an unavoidably unsafe defense, N.J.S.A. 2A:58C-3a(3).

            [Fabian v. Minster Mach. Co., 258 N.J. Super. 261, 271 (App. Div.), certif. denied, 130    N.J. 598 (1992).]
By converting some factors of the risk/utility equation into absolute defenses, the Act "drastically changed the method of analyzing products-liability cases." Dewey, supra, 121 N.J. at 96. Indeed, because "under [the Act], the consumer-expectations test cannot be avoided," id., some commentators have referred to it as an element of the plaintiff's case:
        [S]ince the Act so clearly provides that the test under section 3a(2) constitutes an absolute defense to liability, the net effect upon a plaintiff (suing on a claim in which consumer-expectations may be a component) requires that the section 3a(2) standard be included within the proof of defect presented in the affirmative case.

            [William A. Dreier et al., Products Liability and Toxic Tort Law in New Jersey: A Practitioner's Guide, at 135.1 (6th ed. 1988 & Supp. 1990) (emphasis added).]

Such an interpretation of 3a(2) accords with the fact that, under common law, the components of the 3a(2) defense were part of the risk/utility analysis, and it was the plaintiff's burden to prove that risk outweighed utility. That burden remains on the plaintiff under section 2.
    The Act, however, provides the defendant with a defense that did not exist under common law. Because consumer expectations and open-and-obvious danger were merely factors of the risk/utility test under common law, a plaintiff could still make out a case of design defect even if the those factors weighed in favor of the defendant. Under the Act, that is no longer the case: a product that satisfies the 3a(2) standard is, by statutory definition, not defectively designed. If the harm caused by a product "would be recognized by the ordinary person who uses or consumes the product," and if the harm stems from an "inherent characteristic of the product," N.J.S.A. 2A:58C-3a(2), then the harm is not actionable. Because 3a(2) provides a new, absolute defense, the defendant should bear the burden of proving the 3a(2) defense by a preponderance of the evidence. "When an affirmative defense is raised [in a civil case], the defendant normally has the burden of proving it." Biunno, Current N.J. Rules of Evidence, comment 2 on Evid. R. 101(b)(1) (1994-95). However, because 3a(2) is an absolute defense that product-liability defendants will invariably raise, a plaintiff will rarely be able to go forward without addressing it.

    The Act effected the same "conversion" -- from mere factor to absolute defense -- for the "state-of-the-art" test. N.J.S.A. 2A:58C-3a(l). For example, in reviewing a jury charge, the Appellate Division held that, "by including the state-of-the-art element only as an element of the risk/utility analysis, the court failed to give defendant the benefit of the absolute statutory affirmative defense available under N.J.S.A. 2A:58C-3a(1)." Fabian, supra, 258 N.J. Super. at 274. The same analysis applies to the section 3a(2) defense: if the defendant has proved it, and the plaintiff has not disproved it, the plaintiff will not recover.
    The exceptions, however, provide two circumstances in which the 3a(2) absolute, affirmative defense is not available to the defendant: if the product is workplace equipment or if the danger cannot "feasibly be eliminated without impairing the usefulness of the product." N.J.S.A. 2A:58C-3a(2). Although case law and the legislative history are silent on whose ultimate burden it is to prove that the danger can or cannot feasibly be eliminated without impairing the usefulness of the product, we hold that the plaintiff bears that burden of proving that this exception precludes the defendant's use of the 3a(2) defense.
    Placing on the plaintiff the burden of proving that the danger could feasibly be eliminated without impairing the product's usefulness conforms to both the plain language of the statute and legislative intent. The "without impairing the usefulness" element was a factor of the risk/utility analysis

under common law. Just as section 3a(2) elevates some of those factors to an absolute defense that the defendant may raise, this exception to 3a(2) elevates a different factor to an exception that the plaintiff may raise. That the plaintiff will in most cases have to prove that the danger could be eliminated without impairing usefulness makes the plaintiff's task more difficult, and that was the intent of the Act. Hence, if a plaintiff proves by a preponderance of the evidence that the defendant could have eliminated the danger without impairing the usefulness of the product, then the product might be defectively designed even though the defendant has proved the 3a(2) defense.

could not prevail by showing that the defendant could have designed a product that was safer, but significantly less useful.
    The Act's legislative history suggests that "without impairing the usefulness" implicates the product's inherent characteristics and intended use. The Senate Judiciary Committee Statement refers to dangers "that can feasibly be eliminated without impairing the usefulness of the product, because such dangers are not 'inherent.'" (Emphasis added.) Hence, dangers that are not inherent can be eliminated without impairing usefulness. Conversely, dangers that are inherent cannot be eliminated without impairing usefulness. For example, the danger that a carving knife will cut the user cannot be eliminated because an exposed, sharp blade is an inherent characteristic of a carving knife, and essential to its intended use. A plaintiff could not establish the second exception to 3a(2) by proving that a dull knife would be safer. However, in the case of a lawn mower, the danger of being cut by sharp, exposed blades during use is not inherent: the manufacturer can include a cover that extends to the ground, so that the machine still cuts grass (its intended use) but does not pose nearly so great a threat of injury during operation. Thus, an inherent danger arises from an aspect of the product that is indispensable to its intended use. The danger of exposed, sharp blades is indispensable to knives, but not to lawn mowers.
    Although no New Jersey cases have addressed the meaning of the phrase "without impairing the usefulness," a federal district

court has predicted how this Court would eventually interpret the phrase. In McWilliams v. Yamaha Motor Corp., USA, 780 F. Supp. 251 (D.N.J. 1991), modified, 987 F.2d 200 (3d Cir. 1993), the plaintiff, whose legs had been injured in a motorcycle accident, claimed that the section 3a(2) defense was not available to the defendant motorcycle manufacturer because the defendant could feasibly have eliminated the danger of leg injury by adding crash bars. Id. at 253-54. Applying the Act, the district court held leg injuries to be an open and obvious danger of motorcycle riding that is inherent in the intended use of motorcycles and that, therefore, cannot feasibly be eliminated:
            In all likelihood, the New Jersey Supreme Court will rule that a motorcycle, a vehicle specifically designed as an open-air, easily maneuverable, light-weight vehicle, contains an open and obvious risk of lower-leg injury.
            . . . [The plaintiff] would now have the court characterize the intended use of motorcycles as simply a means of transportation. Such a characterization, however, fails to consider the intended differences between a truck or an automobile and a motorcycle . . . . To require a manufacturer to eliminate all the dangers associated with motorcycle accidents would require a manufacturer to deprive the motorcycle of its intended use and turn the motorcycle into an enclosed vehicle. The risk associated with being in an accident while operating a motorcycle is just as open and obvious as the risk associated with using a knife which could slip and cut a finger.

fact as to whether the addition of crash bars would have eliminated the risk of lower leg injury . . . without impairing the usefulness" of the motorcycle. McWilliams, supra, 987 F. 2d at 206. However, the Court of Appeals focused on whether adding crash bars would eliminate the danger, not on whether adding crash bars would impair the usefulness of the motorcycle. Id. at 205-06. For that reason, the opinion of the Court of Appeals is not directly on point.
    Taking our lead from the legislative history's stress on the word "inherent," we hold that "impairing the usefulness of the product" means significantly diminishing its intended use. Even where it is economically and technologically feasible to eliminate the danger, section 3a(2) still provides a defense if eliminating the danger would require eliminating an inherent characteristic.
    Thus, a plaintiff seeking to establish the second exception to the 3a(2) defense must prove that the defendant could have eliminated the danger without eliminating an inherent characteristic of the product, and thereby significantly diminishing the product's intended use. We emphasize, however, that a feature of a product that is desirable but not necessary is not an inherent characteristic: an inherent characteristic is an essential characteristic. The elimination of an essential characteristic might not render the product totally useless, but it would measurably reduce the product's appropriateness for its central function. We make one final observation about jury

evaluation of the second exception to the 3a(2) defense: juries will inevitably weigh the extent to which the elimination of the inherent danger would impair usefulness against the extent to which the change would improve a hazardous condition.

design the computer without impairing its usefulness -- a concession that the second exception to 3a(2) made the defense unavailable to Cadec. Even though it is technologically and economically feasible to redesign the product, it is not clear that that can be accomplished without impairing the usefulness of the X-300 -- without, that is, removing one of its inherent characteristics.
    Because the state/toll-road function is operable while in motion, it poses the danger of diverting the driver's eyes away from the road. Although Cadec could have eliminated that danger, the question remains whether Cadec could have done so without significantly impairing the intended function of the on-board computer. Hence, a jury must decide whether operability of all functions while in motion is an inherent characteristic of the X-300, and whether or not eliminating that feature in whole or in part would significantly diminish its intended use.
    The section 3a(2) defense itself applies if full operability while in motion is an inherent characteristic of the X-300. The danger of diverting ones eyes from the road is open and obvious to any driver, and hence "known to the ordinary consumer or user." The injury was caused (in part) by entering data while in motion, which may be an "inherent characteristic" of the computer that is "recognized by the ordinary [driver] who uses . . . the product with the ordinary knowledge common to" drivers. N.J.S.A. 2A:58C-3a(2). Accordingly, the trial court correctly charged the risk/utility analysis and the section 3a(2) defense.

    However, the trial court also should have charged the exception to the section 3a(2) defense. We do not agree with the trial court that the proofs were sufficient as a matter of law to establish that making the X-300 inoperable in whole or in part while in motion would so impair the usefulness of the product that an instruction on the "impairing the usefulness" exception to the 3a(2) defense was unnecessary. Nor do we agree with the Appellate Division's conclusion that the record establishes that Cadec could feasibly have eliminated the dangers that the X-300 poses without impairing its usefulness. Instead, on this record, we find that whether Cadec could have -- without impairing the usefulness of the computer -- eliminated the dangers posed by the X-300's being operable while in motion is a question of fact that a jury properly charged should decide. For example, Cadec may prove that the initial, one-touch data entry cannot be made inoperable while in motion without impairing the usefulness of the X-300. The record is unclear, however, on whether Lovette was attempting to make the initial entry or the follow-up entries as he entered the construction area. Thus, Roberts may prove that Cadec could, without impairing the usefulness of the computer, feasibly have made only the ten-second follow-up procedure inoperable while in motion. All those considerations are properly for the jury to resolve.
    As modified, the judgment of the Appellate Division is affirmed.
    Chief Justice Wilentz and Justices Handler, Pollock, O'Hern, and Stein join in this opinion. Justice Coleman did not participate.

NO. A-68 SEPTEMBER TERM 1994
ON APPEAL FROM ON CERTIFICATION TO Appellate Division, Superior Court
JOHN J. ROBERTS, etc., et al.,
    Plaintiffs,
     v.
RICH FOODS, INC., etc., et al.,
    Defendants,
     and
ANITA I. ROBERTS,
    Defendant and Third-Party
    Plaintiff-Respondent,
     v.
CADEC SYSTEMS, INC., etc.,
    Defendant and Third-Party
    Defendant-Appellant,
     and
THE ESTATE OF ORLANDO SOLER, et al.,
    Third-Party Defendants.

DECIDED March 21, 1995 Chief Justice Wilentz PRESIDING
OPINION BY Justice Garibaldi CONCURRING OPINION BY DISSENTING OPINION BY