President has wiped away convictions for 9 people prosecuted over diesel emissions tampering under Joe Biden’s watch
Replacement tires are supposed to be, on average, as energy efficient as OEM ones – but there’s more to this story
From two sets of handlebars to a chain that feeds through the wheel this bike ad somehow got through management
Authorities are investigating after a massive tire pile appeared on a Portland property in less than 90 days
Many of the luxury brand’s buyers aren’t ready to trade silk-smooth engines for silent motors, CEO says as EV-only shift scrapped
Federal officials say California’s emissions rules act as an illegal EV mandate that could raise car prices nationwide
A federal judge says Mojave Desert tortoises deserve protecting from roaring trucks
The government’s repeal of 2009 Obama-era legislation should mean no more start-stop
A major infrastructure project near Los Angeles is reshaping how wildlife and freeways coexist, with implications that reach far beyond the state
The V8s in the M5 and XM Label SUV are being detuned to meet Euro 7 emissions regulations
The White House says softer efficiency standards will cut sticker prices but analysts warn higher fuel bills could wipe out savings faster than you can empty a tank
Italy, Poland and four others want plug-in hybrids, range extenders and fuel-cell cars spared from Europe’s looming combustion ban
Under a new proposal, fuel economy standards would be developed without consideration of electric vehicles
Las Vegas tunnelling operation pretended to stop at inspector’s request, but then carried on dumping when the official had left
Plug-ins emit almost five times more nasties than official figures say, according to the Transport and Environment group
Five automakers including Stellantis, Ford and Nissan have been accused in London’s High Court of cheating emissions rules
Porsche is working on turning hard-to-recycle parts into eco-foam for use in steering wheel rims
Enclosed design of old-style brake drums prevents brake dust escaping and could help automakers meet EU’s new brake emission regulations
