Conventional motor oil or synthetic motor oil? That is the question when getting an oil change, and it's an important one. Both are designed to help keep your engine and its various components ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

If Tesla vehicles use batteries and electric motors to run, then why do they have oil filters? And how often do Tesla oil ...

According to some quick napkin math, you'd be spending more than $230 in gas and oil to keep this car going for 1,000 miles.

GM says some oil use is normal. Here are its official limits for cars and trucks, plus the key checks dealers use to confirm ...