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

Pushrod engines may not be as popular as they used to be, but to paraphrase the old Mark Twain misquote, "The reports of its death are greatly exaggerated." In fact, GM recently announced it was ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature lower viscosity, improved thermal resistance, and possibly longer oil drain ...