it's perfectly normal for a diesel engine. Next, it's important to remember that, if you're shopping for a newer used diesel truck, you'll need to check the DEF system. That means any diesel built ...

This tiny 1.5-liter diesel engine has powered more than 50 different vechiles in the three decades it has been in production.

Who would have known that engines and fuel named after him would catch on and be popular enough to be used in some of the most useful trucks on the market? More than 100 years later, diesel ...