Diesel engines have their own set of rules and regulations surrounding their use, including this tiered system formed by the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

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, ...

Cruise ships are objectively ridiculous machines. They're the size of mountains, weigh as much as skyscrapers, and burn enough fuel in a single voyage to make entire country coastlines seem clean.

Diesel engines have been a hot-button topic among the eco-minded for decades. The diesel engine's black-soot exhaust and penchant for leaking an amalgamy of fluids onto the pavement have concerned ...

Alabama Gov. Bob Riley, left, and Navistar and plant officials applaud the unveiling of the new MaxxForce big-bore engine to be built in Huntsville. International Truck and Engine announced Wednesday ...

I love a big diesel engine as much as anybody, but they aren’t always practical. While I’d love to own a V16 two-stroke Detroit or whatever else, there’s no way I could actually use one—I just don’t ...

The U.S. is known as the land of excess for many reasons. Take the automotive landscape, for example. You have big SUVs and even bigger engines. However, there was a time when engines in American cars ...