The South Coast Air Quality Management District's vote Friday comes after a federal prosecutor threatened to sue if the rules ...

DIAMOND BAR, Calif. (AP) — Air quality regulators in Southern California heard impassioned public comments Friday before an anticipated vote on proposed rules that would curb harmful emissions ...

The South Coast Air Quality Management District estimates that the rules, if passed, will lower NOx emissions from gas-fired furnaces, preventing about 2,490 premature deaths and 10,200 new asthma ...

DIAMOND BAR, Calif. (AP) — Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from gas-powered furnaces and water heaters, but the ...

DIAMOND BAR, Calif. (AP) — Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from gas-powered furnaces and water heaters ...