Engine oil is available in many different weights. If you're replacing oil yourself, you might wonder whether you can go with ...

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 ...

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 ...

Fuel efficiency is a major concern for car buyers, influenced by engine type and driving habits. To enhance mileage, smooth ...

It's possible to reuse oil from your motor, but it's obviously not as easy as just emptying and refilling the oil tank. Recertifying oil is a long process.

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 ...