Many gas station brands get their fuel reviewed and tested by TOP TIER, a company endorsed by AAA, that rates fuel quality for gasoline and diesel engines. The brands that meet the company's standards will be recognized as a TOP TIER-approved gasoline brand.

Gasoline prices nationwide and in the D.C. area are beginning to show signs of spiking. They’re up nearly 9 cents in the last week, depending on the region of the country you’re in, according to gasoline market tracking firm GasBuddy.

The nation’s average price of gasoline has risen 2.6 cents over the last week and stands at $2.84 per gallon, according to GasBuddy data compiled from more

Gas is usually cheapest on Sundays and Mondays, GasBuddy finds, especially in states with weekly price cycling like Michigan.

When the temperature drops into the negatives, your vehicle faces several challenges. Cold weather thickens engine oil, saps battery power, and causes tire pressure to plummet. However, aspect of winter driving we rarely consider is what happens inside your fuel tank.

US supplies of gasoline are being shipped out of the country to travel thousands of miles via the Bahamas before finally ending up in California, a state battling shrinking fuelmaking capacity and high pump prices.

A fast-rising name in the hybrid vehicle market, Horse Powertrain has spent the past three years transitioning into one of the world's leading engine manufacturers while developing a portfolio of electric motors,

Gasoline prices are set to rise above $3 a gallon after conflict broke out in the Middle East. Patrick De Haan, head of petroleum analysis for GasBuddy, expects the national average to break above $3 a gallon again,