President Donald Trump is set to reverse California's first-in-the-nation vehicle emissions standards during a Thursday ceremony.

President Donald Trump is expected to sign a measure Thursday that blocks California’s first-in-the-nation rule banning the ...

Senator Shannon Grove is revved up to announce that Senate Bill 712, also known as Leno’s Law, has successfully passed off the Senate Floor with strong bipartisan ...

SoCal Gas and business groups have been lobbying heavily against rules to phase out gas furnaces and water heaters in homes.

The new rules would have set increasing targets for sales of zero-emission products over the next decade. Opponents say they ...

Air quality regulators in Southern California have rejected rules that would have curbed harmful emissions from gas-powered ...