Filling up on diesel is a sizable investment anywhere, but its price compared to gasoline can vary widely depending on where ...

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

Prices for diesel and gasoline continue to fall in early 2026, with regional shifts impacting costs across the U.S.

As 2024 ticks down, the U.S. Energy Information Administration found that diesel prices dropped nationwide, with some regions down as much as a dime on December 9. While the national on-highway diesel ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

While the cold weather causes the cost of diesel fuel to increase, international events and the time of year drive up gasoline prices.

Venezuela, Iran, and Libya not only share enormous oil reserves, but also a historically conflictive relationship—a far from ...

A GM service bulletin denies warranty coverage for repairs due to diesel contamination in gas cars, advising owners to seek reimbursement from fuel suppliers.