Clean Energy Fuels Corp. is teaming up with transport powerhouse J.B. Hunt to test a truck powered by a new type of environmentally friendly engine that runs on renewable natural gas. Clean Energy ...

We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as well as a host of electrical sensors and computers to carry us to and from ...

We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

Just like a solid foundation is important for a sturdy house, a well-prepped engine block is critical for a motor make big power—and do it more than once. A professional engine builder offered to show ...

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...