What is the difference between gasoline and diesel engines? The difference between the gasoline (Otto) cycle and the Diesel ...

Diesel and gasoline engines might look alike under the hood, but they use oil in very different ways. Gas engines run cleaner, but diesels create much more soot, crank out higher compression forces, ...

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

Diesel has climbed faster than gasoline this month, directly hitting businesses, from brewers to trucking companies. Those ...

Florida and U.S. gas prices have risen a dollar since the Iran War began. Diesel is up nearly $2. Here's why that's bad for ...

American drivers notice soaring gas prices. But another fuel – diesel – is also on the rise, and at a much faster pace.