With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

Controversial clean air rules in California that could significantly raise gas prices are officially set to take effect July 1.

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...

OPINION - The California Air Resources Board (CARB) is reworking a proposal that would strengthen the state’s Low Carbon Fuel ...

A California lawmaker is warning drivers that gas could go up by a few bucks as soon as next year. Now, an audit has been requested to look into the California Air Resources Board (CARB) to see if ...

This story was originally published . Sign up for their newsletters. Guest Commentary written by Yasmina Valdivia Yasmina Valdivia is an activist and longtime resident of Val Verde, a town in Los ...

A fleet of air quality monitoring vehicles took to the streets of California yesterday, marking the start of a year long ...

Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.