Federal emissions rules for cars and trucks are set years in advance, but they are rarely set in stone. As regulators, ...

Boeing on Friday asked the Federal Aviation Administration for a waiver of airplane emissions rules to allow it to sell ...

California has dismissed a lawsuit officials filed against the Trump administration over the federal government's withdrawing ...

The Vermont law imposes a one-time fee on fossil fuel companies for emissions between 1995 and 2024. A company qualifies as a ...

It’s the latest in a decade-long scandal involving accusations that software “defeat devices” made diesel vehicles seem ...

Mercedes-Benz USA and parent company Daimler AG agreed to settle allegations the automaker secretly installed devices in ...

Multistate settlement resolves environmental and consumer protection violations tied to emissions cheating Eligible Mercedes ...

The city also took steps to respond to the extreme heat in 2025. A heat wave in June brought a 102-degree day that broke the ...

Federal rules did not just clean up American air and save lives in the 1970s, they also rewrote what a Chevrolet Camaro could ...

This year’s top emissions & efficiency stories highlight how the Trump administration has influenced emissions regulations as ...

Mercedes-Benz USA and parent company Daimler AG have agreed to pay $149.6 million to settle allegations the automaker ...

A study from a team of researchers that includes faculty from the University of California San Diego and Princeton University ...