Quantum Participates in Governor Schwarzenegger's Hydrogen Highway Executive Order Event

IRVINE, Calif., April 21 -- Quantum Fuel Systems Technologies Worldwide, Inc., announced that several vehicles equipped with its hydrogen fuel systems were on hand yesterday at Governor Schwarzenegger's signing of an Executive Order officially launching California's Hydrogen Highway Network.

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According to the Governor's Action Plan, several leading auto manufacturers have stated that they can have tens of thousands of competitively priced hydrogen fuel cell cars on the road by the end of this decade if the fueling infrastructure were available. His plan further outlines a public-private partnership to ensure that before 2010 California has a network of stations in place to allow motorists a real choice of cleaner fuels to put in their tanks.

"Governor Schwarzenegger and California continue to demonstrate a leadership role in ushering in a new era for clean transportation," stated Alan P. Niedzwiecki, Quantum's President and CEO. "Quantum was honored to be invited to the signing of the Executive Order and, as a California company, is excited about potential opportunities along the hydrogen highway. We believe that Quantum is well positioned to benefit from the Governor's plan by providing the advanced fuel systems for hydrogen vehicles that will be filled at these stations."

In addition to hydrogen fuel cell vehicles, Quantum is working on hydrogen internal combustion engine vehicles under the recently announced $2.3 million contract award from Southern California's South Coast Air Quality Management District.

Quantum is a world leader in ultra lightweight hydrogen storage and related fuel systems. Quantum's TriShield(TM) tank is comprised of a seamless, one piece, permeation resistant, ultra-high molecular weight polymer liner that is over-wrapped with multiple layers of carbon fiber/epoxy laminate and a proprietary external protective layer for impact resistance. Quantum's TriShield(TM) hydrogen storage technology has been validated for service pressures up to 700 bar (10,000 psi) following proposed European, Japanese, U.S. and other international hydrogen standards and regulations.

About Quantum

Quantum focuses on three primary product and system applications: Transportation, Fuel Cell Stationary Power Generation and Hydrogen Refueling Infrastructure. The company manufactures both components and end products. In the Transportation sector, Quantum designs and supplies state-of-the-art fuel system technologies to many of the world's leading OEMs with Hydrogen systems for both Internal Combustion Engine (ICE) and Fuel Cell applications, and Natural Gas and LPG fuel systems for ICE applications. In Stationary Power, Quantum currently supplies components and integrated systems to developers of Fuel Cell stationary power products and is working to expand its product portfolio in these applications. In the area of Refueling Infrastructure, Quantum offers several hydrogen and natural gas refueling systems focused on early infrastructure development, targeting fleets of one to 20 vehicles.

Quantum's ultra lightweight composite fuel storage, fuel injection and metering technologies, electronic control products and OEM-level systems integration capabilities have enabled the company to develop a product portfolio with state-of-the-art technologies and products, a diverse customer base, and alliances with partners such as General Motors and Sumitomo Corporation.

Quantum is a Tier 1 OEM supplier and a member of the GM Fuel Cell Alliance of fuel cell commercialization companies. Quantum's customer base includes General Motors, Toyota, Opel, Hyundai, Suzuki, Ford, Sunline, Yamaha and AeroVironment.

Quantum's web site: www.qtww.com.

Except for historical information, the statements, expectations, and assumptions contained in the foregoing press release are forward-looking statements. Such forward-looking statements include, but are not limited to, the company's expectations regarding government programs. Such statements are subject to a number of risks and uncertainties, and actual results could differ materially from those discussed in any forward-looking statement. Factors that could cause actual results to differ materially from such forward-looking statements include, among other factors, prevailing market conditions; the company's ability to design and market advanced fuel storage technologies and the company's ability to meet commercial requirements. Reference should also be made to the risk factors set forth from time to time in the company's SEC reports, including but not limited to those contained in the section entitled "Risk Factors" in its Annual Report on Form 10-K for the fiscal year ended April 30, 2003. The company does not undertake to update or revise any of its forward-looking statements even if experience or future changes show that the indicated results or events will not be realized.

  For more information regarding Quantum, please contact:

   Dale Rasmussen
   Investor Relations
   +1-206-315-8242
   drasmussen@qtww.com

   Cathy Johnston
   Director of Communications and Corporate Support
   +1-949-399-4548
   cjohnston@qtww.com

        (C)2004 Quantum Fuel Systems Technologies Worldwide, Inc.
                        Advanced Technology Center
                 17872 Cartwright Road, Irvine, CA 92614
                   Phone 949-399-4500  Fax 949-399-4600

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