Abstract
NEXT GENERATION AUTOMOBILESGOLDEN, COLORADO-- A collaboration between automakers and the federal government to develop high-mileage, low-emission cars is set to unveil its first prototypes--probably diesel-electric hybrids--next year. However, critics charge that the program is betting on the wrong technologies by emphasizing polluting diesel engines instead of potentially cleaner technologies such as hydrogen fuel cells; others question why the government is subsidizing the effort when Toyota has already built a fuel cell car on its own dime ([see sidebar][1]). Moreover, with the United States' current low gas prices, observers don't expect to see consumers cruising in the new supercars anytime soon. [1]: http://www.sciencemag.org/cgi/content/short/285/5428/681
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