Clean Air

With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback about affordability and costs.

If enacted this summer, California’s mandate — the first in the world — would increase sales of electric or other zero-emission cars to 35% in 2026, and prohibit new gasoline or diesel cars by 2035.

In a new bid to clean the Valley’s dirty air, the local air district is flexing its political muscles, attempting to amend a federal law and appealing to…

Governor Jerry Brown has used Fresno as the site to sign four bills Wednesday to direct hundreds of millions of dollars to help clean up the air in places…