There’s a new crop of engines on the street now that’s cleaner, more fuel efficient and hopefully more reliable than previous models. Most North American heavy-duty diesel engine manufacturers rolled ...

Diesel engines come in small packages for many different applications. Here are some of the smallest diesel engines you can ...

The 11,000-horsepower, nitromethane-burning engine that powers a modern Top Fuel dragster is the very definition of controlled chaos, a cacophony of explosive elements and incredible forces delicately ...

With labels stating "diesel fuel only" and the existence of separate gasoline and diesel pumps, most people know there are distinct differences between gasoline and diesel vehicles that go beyond the ...

Along with diesel, manufacturers are looking ahead at alternative-fuel engine solutions, including propane, natural gas, and hydrogen. “The X15N big bore natural gas engine is essential to our ...

Ethanol fuel, often lauded for its environmental benefits, has become a common additive in gasoline. However, its impact on older engines and systems is a topic of concern for many vehicle owners.

High-pressure common rail fuel (HPCR) systems are standard on nearly every diesel engine today, from heavy equipment to over-the-road trucks, light-duty trucks, large generators and more. HPCR fuel ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

Diesel aircraft engines from Diamond and Piper offer 60% better range and Jet A compatibility. Explore retrofits from ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

Nearly three years in the making, behold the raw power and precision of this 1/3-scale V10 engine. Coming in at 125 cubic centimeters displacement, [Keith Harlow]’s fuel injected masterpiece isn’t too ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...