When people think of big engines, they usually think of regular gas engines, like Koenigsegg's 2,300-horsepower monster. However, if you think about it, there are many much bigger vehicles out there, ...

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...

The V8 diesel engine didn't have its greatest introduction, at least in the passenger car world. Developed for buyers seeking higher efficiency, Oldsmobile's V8 diesel-powered Cutlass proved to be a ...