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 ...

For starters, it's untaxed, so it isn't legal for road use. But even if your truck is for off-road use only, there are risks ...

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 ...

Updated formulas target fuel-system cleaning, engine protection and efficiency across gasoline and diesel applications.