Organizers are predicting that Saturday's events will be the biggest collective protest in U.S. history.

Emissions exemptions for classic cars in the Golden State are one step closer to becoming law.

“Leno’s Law” is being revived in California as a proposal to preserve car culture by allowing certain classic cars to skip smog checks. Previously filed as California Senate Bill 712, the proposal was ...

Federal environmental officials are fast-tracking New Hampshire's request to opt out of a regional tailpipe emissions law, as ...

Virginia has joined a lawsuit over the Environmental Protection Agency’s repeal of the 2009 Greenhouse Gas Endangerment ...

Battlelines are drawn, as Ottawa crafts new regulations that will tackle road pollution by Canadian drivers – and go some distance toward shaping the country’s automotive market for the next decade.

While they've since been discontinued due to emissions standards and gas crises, many older American cars used to have massive (and massively awesome) engines.

Word has it that Mazda's beloved droptop is to remain true to form when the next generation hits the market.

That was three cents above the average of $3.66 per gallon. SAN ANTONIO – An estimated 2 million vehicle owners in Bexar ...

The state terminated its annual inspections without first obtaining approval from the EPA, triggering a lawsuit and potential ...