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Is Top Tier Gas Worth the Price?

According to AAA research, non-Top Tier gasoline caused 19 times more engine deposits than Top Tier brands, but three-quarters of U.S. drivers still pick a gas station based on location and price instead of the quality of gas.

EPA Tightens Vehicle Emission and Fuel Standards

The U.S. Environmental Protection Agency (EPA) has raised standards for new-vehicle emissions and required lower sulfur content for gasoline beginning in 2017 under its Tier 3 regulation, the agency announced Monday.

Gasoline Inches Lower to $3.26 a Gallon

The average price fell for the second consecutive week. Gasoline is 8 cents lower than it was for the same week a year ago, according to federal data released Monday.

15% Ethanol to Be Allowed in Gasoline

E15 is not permitted for use in motor vehicles built prior to 2001-MY and in off-road vehicles and equipment, such as boats and lawn and garden equipment.

Study Finds Diesel Vehicles a Better Value Than Gasoline

WASHINGTON, D.C. - A Carnegie Mellon University study called “Comparing Resale Prices and Total Cost of Ownership for Gasoline, Hybrid and Diesel Passenger Cars and Trucks” finds that diesel-engine vehicles are a better value than gasoline-engine vehicles due to lower operating costs and higher resale values over time.

Engineers Aim to Improve Gas Engines

While alternative fuels and vehicles are getting a lot of attention, future improvements in gasoline engines will keep them a predominant power source.