While California abandoned its pursuit of regulatory approval for the Advanced Clean Fleets rule, its Advanced Clean Trucks ...

In short, it means that California and the 17 other states vying for independent CO2 ... as the EPA has deemed any new California Air Resources Board (CARB) legislation an unnecessary evil.

Forcing fleets to forgo new, cleaner vehicles will extend the life of older trucks, meaning higher emissions than if we hadn't adopted California's approach.

California’s Air Resources Board (CARB) on Jan. 13 sent a letter to withdraw its request to the Environmental Protection Agency pursuant to ...

GM confirms that the second-gen Chevy Volt is being delayed for most US states. Only California and the other CARB states will get the 2016 MY car. Every major plug-in vehicle launch in the US has ...

Catalytic converters are an important part of your car's functioning exhaust system. Here's how they work and why their parts are so valuable.

Rhode Island Hospital at Brown University Health will receive $1 million to demonstrate proof of concept for a test that uses ...

CARB needs a waiver from EPA before it can enforce the regulations. States can choose to adopt the regulations that CARB sets. See also: Fleets Explained: Emissions regulations ACF is a ...

NTEA supports “reasonable” environmental regulations, but has concerns CARB’s next steps following the withdrawal of the ACF ...

I recently published a post questioning the legality of the California Air Resources Board's Enforcement Notice.  The California legislature ...