emissions-cutting regulations

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The war on Southern California smog is slipping. Fixing it is a $14-billion problem

Published: 
Mon, 07/01/2019 - 6:38pm

The war on smog has been called one of America’s greatest environmental successes. Decades of emissions-cutting regulations under a bipartisan law — the 1970 Clean Air Act — have eased the choking pollution that once shrouded U.S. cities. Cleaner air has saved lives and strengthened the lungs of Los Angeles children.