As the automotive industry navigates a mixed powertrain future, exhaust systems remain essential to balancing performance, compliance, and sustainability. Whether supporting cleaner combustion engines ...

Despite ambitious emissions goals, the state is failing to track and regulate fossil-fueled backup generators. The creeping ...

San Francisco Bay Ferry put the first hydrogen-fueled vessel in the United States into commercial service. The 70' Sea Change ...

The 5.9 Cummins is said to be one of the most reliable diesel engines, but that doesn't mean it can't benefit from upgrades. Here's what owners recommend.

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine ...

Penray’s Total Diesel Fuel System Cleaner is helpful in dissolving and preventing the formation of asphaltenes in diesel fuel, while cleaning other deposits and contaminants from the fuel system. The ...

"It sounds like there's been relatively minor impacts to the environment, which is incredible given the amount of fuel that spilled into the harbor," Alice Volpitta with Blue Water Baltimore said.

BALTIMORE (AP) — Crews were working Thursday to contain and clean up a 2,000-gallon (7,570-liter) diesel fuel spill in Baltimore’s harbor, according to state and city officials.

But now Calistoga is shifting to a first-of-its-kind system that combines two clean-energy technologies — hydrogen fuel cells and batteries — for enough juice to power the city for about two days.