Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Collector cars spend more time as garage queens than they do as road warriors. And that means they sit around—especially through the winter months—with gasoline in the tank. In the old days, this wasn ...

With the rollout of E20 petrol, car owners, especially with older vehicles face fuel efficiency drops and damage risks. Here’s how fuel additives can help protect engines and improve efficiency.

Think you're saving on gas? You might not be. Learn which fuel-saving tips are myths -- and discover four proven ways you can ...