Millions of U.S. Cars Fail Emission Standards, Study Says
Champion Spark Plug Company tests 4,500 cars in 20 cities showing 42 percent fail newer emission standards. Over 45 million cars suffer from overdue maintenance, wasting fuel and polluting air. Newer models emit far less CO and HC, while many drivers report rough idle and hesitation before tune ups.
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Champion Spark Plug Company
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David L. Walker
Champion
Automotive Technical Services
Walker
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