It would have been revolutionary: an internal combustion engine without oil. And it might have worked. But lots of real-world issues got in the way.

Cars with internal combustion engines — as opposed to electric vehicles, which still depend on a few fluids themselves — require various fluids to keep everything running smoothly. If you've been ...

Unless you drive a fully electric vehicle, motor oil is an absolutely essential component for your car. Oil is the lifeblood of your vehicle's engine. It provides lubrication for all of the engine's ...

Regular oil changes are crucial to vehicle maintenance and play a significant role in keeping your engine running smoothly. However, knowing how often you should change your oil can be challenging, ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

General Motors’ naturally aspirated 6.2L V8 L87 gasoline engine is a staple across GM’s full-size truck and SUV lineup, powering a long list of important models, including the Chevy Silverado 1500, ...

Investigators found no oil in the right-side Rolls-Royce BR715-C1 engine of a Delta Air Lines Boeing 717 following an emergency landing in February that involved a “tremendous” amount of cabin smoke. ...