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

Switching to hydrogen fuel cells isn’t some far-off concept, but already underway on ships that carry everyday cargo and ...

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 ...

If you accidentally put gasoline in your diesel vehicle, it's important to take action right away. Here are the first things you need to do.

Diesel fuel is thicker than gasoline fuel and doesn’t combust the same way in engines designed for regular gas. If diesel ...

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.

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