Even if you don't plan on ever owning a car with a diesel engine, you may still want to know how they compare to gas engines ...

Drivers visiting Europe from the U.S. would likely be shocked by prices at the pump when they fill up their rental with ...

GRAND RAPIDS, Mich. — Remember the days when the driver of a diesel-operated vehicle would save more money than drivers who filled up with gasoline? It’s been nearly 20 years since diesel cost less ...

Heed the advice on the cover of the Hitchhiker's Guide to the Galaxy and don't panic, at least not yet. Or, maybe just panic a little on the inside, but maintain your calm demeanor on the outside.

Diesel and gasoline prices rose slightly this week, impacting trucking fleet fuel budgets across the U.S. Regional variations show the Rockies and Midwest seeing higher diesel prices, while Central ...