Southern California Clean-Air Plan Up For VoteA long-term plan for cleaning up the air in a huge swath of smoggy Southern California is due for consideration by regulators.
Gov. Brown Signs Clear-Air Vehicle LegislationGov. Jerry Brown signed into law several bills designed to boost use of clean-air vehicles in California.
Pioneering Researcher Behind State's Clean-Air Regulations DiesJames Pitts, a pioneering smog researcher whose work spurred California's ground-breaking clean-air regulations, has died. He was 93.
California Among 8 States Pledging To Put 3.3 Million Zero Emissions Cars On Roads By 2025The states represent about 23 percent of the U.S. auto market.

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