Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

A driver heads for his cab, jumps in, belts up and hits the starter button. It’s only 10 degrees outside, but the engine fires almost immediately, and runs quietly while he warms it up. No fuel ...

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 ...

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 ...

Ford's "Godzilla" V8 engines are some of the strongest gas-powered blocks in its lineup. How do the 6.8 and 7.3 versions ...

Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season ...

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 ...

I don’t think anyone can dispute that Mazda is for the people. That it keeps the Miata humble and therefore objectively great is all I need to defend my case, but there’s also the fact that the ...