IMPCO Recognized By Los Angeles Business Journal

             IMPCO Ranks in the Top 100 Companies in Los Angeles;
                     IMPCO's Growth is Advancing Globally

    CERRITOS, Calif., May 10 IMPCO Technologies, Inc.
, the world's leading source of advanced alternative fuel
systems technology and components for internal combustion engines today
announced that the company has been named one of the top public companies in
the Los Angeles area by the venerable Los Angeles Business Journal, April 30,
2001 issue.
    Mr. Robert Stemmler, CEO and chairman of IMPCO Technologies with
headquarters in Cerritos, California, said, "Being named one of the top public
companies in Los Angeles is great honor and recognition of the employees and
their hard work.  The business landscape has changed dramatically over the
last few years in Los Angeles with new companies providing to the Los Angeles
area a more diversified business base focused on new technologies and new
markets.  What has resulted is a strong base of small companies which are
driving the Los Angeles area economy forward, and IMPCO is pleased to be part
of that growth and diversity."
    IMPCO is the world's leading source of advanced alternative fuel systems
technology and components for internal combustion engines.  IMPCO products
enable these engines to function using environmentally friendly gaseous fuels
such as propane, natural gas and biogas.  IMPCO products optimize efficiency
and performance while reducing emission to the lowest-levels.  IMPCO is a
major supplier to original equipment manufacturers in the automotive,
materials handling industrial and power generation industries.  IMPCO supports
its global aftermarket through a network of more than 400 Distributors and
Service Parts Organizations.  Through IMPCO's wholly owned subsidiary, QUANTUM
Technologies, Inc. the company participates in the emerging fuel cell market
by supplying enablement technologies and products in fuel storage, fuel
metering and delivery, electronic controls and system integration. Information
on QUANTUM may be found at our URL: http://www.qtww.com
    World headquarters are located in Cerritos, California.  IMPCO has key
offices and facilities worldwide including:  North America, Central America,
South America and the Pacific Rim.  It operates in the Netherlands, France,
Germany and the United Kingdom as IMPCO-BERU Technologies, B.V.  IMPCO can be
found at http://www.impco.ws.

    Certain matters discussed in this press release contain forward-looking
information that involves risks and uncertainties that could cause actual
results to differ materially from current trends.  These include, among other
things, the growth of the alternative fuels and fuel cells market, OEM
automotive product sales, competition, the Company's ability to design and
market viable advanced fuel metering, fuel storage or electronic control
products, the Company's ability to meet OEM specifications and other such
risks as cited in the Company's 2000 annual report on Form 10-K and other
documents filed with the Securities and Exchange Commission.

    For further information, please contact Mr. Dale Rasmussen, Investor
Relations, 206-575-1594, ext. 0, or media, Mr. James S. Mitchell,
562-860-6666, ext. 116, both of IMPCO Technologies, Inc.

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