AUTOS: Grasping for Clean Air

Ever since teeth were put into the Clean Air Act more than five years ago, Detroit's automakers have waged a continuing battle with Congress and Government regulators over the timetable and standards for cleaning up exhaust emissions from the nation's cars. They have won some delays: the deadline for meeting the highest federal antipollution standards, once scheduled for all cars by 1975, has been pushed back to 1978 and is likely to be extended further. Nonetheless, automakers are finding the regulatory climate hostile. That is especially true in California, where state authorities...

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