The difference between Ford's 6.8 and 7.3 Godzilla V8 engines comes from a shorter stroke in the former and a lower ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

Gas versus diesel is a debate over which billions have been spent to see which is better. Famously, Soviet tanks in World War II were powered by diesel, while the Germans used gas engines. Closer to ...

You don't see diesels on the road as much ever since Volkswagen's emissions cheating scandal broke, but they're still out there, and the people who love them still love them. That's partly because ...

Uncle Sam has decided to "get the lead out" of gas. Face it: The lead is coming out. For better or for worse, our EPA who art in Washington has already cut the allowable gasoline lead concentration ...

WinGD claims the VCR technology can deliver up to 25% fuel savings and 33% lower methane slip, depending on fuel and engine load.