Gasoline companies have been pushing engine-cleaning formulations lately. Setting aside the benefits for my car, are these additives good for the environment? Gasoline is a complex mixture of, well . ...

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

SACRAMENTO — Concerned that California could face gasoline shortages by year’s end, Gov. Gray Davis said Thursday he is considering delaying a ban on the gasoline additive MTBE, a substance that has ...

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.

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 ...

Arizona Governor Janet Napolitano (D) on May 12 signed legislation banning the additive methyl tertiary butyl ether (MTBE) from gasoline sold in the state. The legislation had passed by unanimous ...

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, ...

CONCORD, N.H. (AP) — A former Exxon Mobile engineer testified Monday that environmental hazards surrounding the gasoline additive MTBE were widely discussed in water quality and oil industry circles ...

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 ...

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 ...

House and Senate negotiators removed a major obstacle that had deadlocked energy legislation for more than two years, but even supporters say the measure will not provide short-term relief from high ...