If you use low-quality gas without extra fuel additives and detergents, your fuel system and injectors will get dirty. Here’s ...

Fuel injector cleaners are additives that are poured right into the gas tank and remove carbon deposits and other ...

Gasoline additives ensure that a car's engine runs properly. Otherwise, the engine will knock – and you'll be knocking on your mechanic's door holding a whole bunch of your favorite dollars. But ...

Premium gas doesn't provide any more power or contain better additives than regular gas, and it contains the same amount of ethanol as other grades. It just resists detonation (knock) better than ...

With gas prices at record high levels statewide, drivers may be tempted to buy gasoline additives that claim to improve vehicle mileage. The Automobile Club of Southern California is advising ...

CHICAGO — The gasoline additive MTBE, which has been blamed for contaminating ground water, is turning up in fuel supplies in states where it is not required, a researcher said Thursday. Reynaldo D.

Last month, the Environmental Protection Agency announced plans to phase down, and perhaps out, use of a suspected carcinogen that refiners have added to gasoline since the 1970s. An octane booster, ...

The Environmental Protection Agency ordered three populous states — California, New York and Connecticut — to continue using air pollution-reducing gasoline additives. The decision Thursday helps the ...