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Car Emissions in Los Angeles Are Down 98 Percent from 1960s Levels

New data on California's historical car emissions shows just how important it is to fight for clean transportation.

The State of California was the first place in the world to mandate tailpipes on cars. That was back in 1966. The Federal government wouldn't follow suit for another two years. We've come a long way from the pre-catalytic converter, fuel guzzling engines of the Mad Men days.

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