Flex-fuel vehicles started to become popular in the mid-1990s. Manufacturers designed these vehicles to burn E85 or other gas-biofuel blends. Many people are confused about what E85 is used for. This ...

Other people who see legitimate value in E85 are performance enthusiasts. E85 has an octane rating of 100+; therefore, engines tuned for this level of performance can utilize higher compression ratios ...

The three automakers with the biggest U.S.-based operations are pledging to double production of cars and trucks that can use ethanol and other biofuels and urging Congress to encourage oil companies ...

The 2027 Chevy Tracker will soon debut in Brazil, introducing a new 48-volt, flex-fuel hybrid powertrain developed ...

Nebraska Sen. Pete Ricketts unveiled his Flex Fuel Fairness bill to incentivize car manufacturers to put more resources into building flex fuel vehicles. NEBRASKA SENATOR PETE RICKETTS WANTS TO LEVEL ...

The new vehicles are built in Brazil, which has a thriving infrastructure for ethanol fuel.

E85 fuel is less expensive than gasoline — but there are some catches. This photo was taken in New York in 2007. Mike Groll ASSOCIATED PRESS As prices at the pump hit record highs, some drivers might ...

You may have been doing some online vehicle browsing, been looking through your vehicle's owner's manual, or maybe you have just looked at your fuel cap door and noticed that there is something ...

CLEVELAND, Ohio — Unleaded 88 is a cheaper way to fill up your tank. But because it has more ethanol than regular gas, it’s less fuel efficient. Will buying it actually save you money? Kinda, sort of ...

The ethanol-rich fuel is a cost-conscious option as gas prices rocket. But few cars are able to use it. Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The ...

Sheetz, a major mid-Atlantic gas station, restaurant and convenience chain, has lowered its price for flexible fuel to $1.85 a gallon through April 30. E85, or flexible fuel, is offered at more than ...