Business: Proposals & Prototypes

Legislation aimed at improving the safety and reducing the air-pollution characteristics of the automobile has speeded efforts—and imagination—on other fronts.

∙The Department of Housing and Urban Development, eager to cut down on air pollution and city traffic headaches, last week endorsed a snappy 9-ft. "minicar" that would be about half as long as today's intermediate Chevrolets and Fords, create one-tenth of the pollution. Developed under a $299,995 HUD grant to the University of Pennsylvania with help from General Motors, the three-passenger, 100-mile-range "hybrid" could whiz along highways at 60 m.p.h. on a...

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