By David Shepardson and Steve Gorman WASHINGTON (Reuters) -California Governor Gavin Newsom on Thursday vowed to fight the ...

DPF Parts Direct reports California’s Clean Truck Check aims to reduce diesel emissions, raising compliance costs and ...

The new US legislation isn’t great for electric vehicles. But experts have advice for how the EV-curious buyer might navigate ...

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

With seven of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the nation’s worst air quality. But officials face growing pushback about ...

A lawsuit from fuel producers challenging California’s strict vehicle emission rules has received another chance thanks to the U.S. Supreme Court. Justice Brett Kavanaugh wrote the opinion for ...

The US Supreme Court ruled fuel producers have a right to challenge the Environment Protection Agency's approval of a waiver for California emissions rules that would eventually ban gas cars ...

The U.S. Supreme Court sided on Friday with fuel producers that had opposed California's standards for vehicle emissions and electric cars under a federal air pollution law, agreeing that their ...

The Supreme Court on Friday revived a lawsuit from fuel producers challenging California’s strict vehicle emission rules, allowing the companies to fight an on-again, off-again climate policy ...

Washington California’s efforts to control vehicle emissions can be challenged by fuel producers, the U.S. Supreme Court ruled Friday. The 7 to 2 opinion did not invalidate certain emission ...