The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

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Anyone eyeing a tired 1966 Toyota Corona in a driveway or classifieds listing usually imagines a quick transformation from ...

Ford Master Tech Bright Kim reveals the 40-minute secret to dropping an F-150 5.0L engine. As oil consumption issues trigger ...

The Hyundai Theta II 2.4-liter engine has a reputation that’s hard to ignore. Recalls, lawsuits, and owner complaints have ...

Here's what the "E15 Fuel Waiver" means, and everything you need to know about ethanol in gasoline to buy the right fuel for ...