To settle a silly quibble between two friends: I've got a '71 John Deere 4320 with a turbo-diesel engine. I've got solid data on how much fuel it uses when it is at 100% power. For those who don't ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Forbes contributors publish independent expert analyses and insights. Michael Teo Van Runkle is a journalist who covers the auto industry. For the past two years, the Silverado ZR2 pickup truck served ...

Diesel fuel powers the country. If that sounds dramatic, think of all the trucks, buses, and ships you see every day. Most of them carry diesel engines instead of the gasoline engine or electric ...