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 ...

Diesel trucks are known for strength and durability. But even the toughest engines need care. One important part of that is the fuel filter. Knowing how to maintain the fuel filter is essential if you ...

The good news is, most of the owners who ended up putting diesel in their cars probably won't need new engines.

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.