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 ...

Top Tier gasoline contains more effective detergents than federally required, which helps clean fuel injectors and reduce harmful carbon deposits inside the engine. Clogged fuel injectors and carbon ...

Getting your Trinity Audio player ready... Severe ozone pollution in metro Denver and the northern Front Range will lead to more expensive gas prices this summer as stations switch to a specialized ...

The federal tightening of standards for sulfur content in gasoline should help Pima County avoid violating separate ozone air quality standards, says the county’s environmental quality chief. But the ...