- E20 rollout sparks engine damage and mileage concerns among vehicle owners. - Automakers advise caution, citing lack of compatibility in older vehicles. - Ethanol’s low energy density and ...

The government also estimates that moving from E10 to E20 can reduce tailpipe carbon emissions by about 30%. Another technical advantage is ethanol’s higher heat of vaporisation, which lowers intake ...

Ethanol has become a major part of America's energy landscape. It was first used in cars, and is now mixed into most gasoline sold in the U.S. This rise has been driven by environmental concerns, ...

The agency said lifting summer restrictions on E15 fuel will protect consumers from price shocks tied to conflicts in the Middle East and Ukraine. EPA said Friday it will temporarily lift summer ...

Imagine for a moment that you're the quintessential hands-on hobbyist. You've noticed that your Pontiac hasn't run its best as of late and all indications point to its Rochester Quadrajet as the ...

The Biden administration will allow gasoline containing a higher percentage of ethanol to be sold year-round in eight states starting in 2025, it announced Thursday. The Environmental Protection ...

Arizona's first commercial-scale ethanol plant began producing the alternative fuel Monday near the town of Maricopa, opening what the factory's operators hope will be a new energy era for the state.

Ethanol blending programme was introduced to reduce reliance on fossil fuels and cut energy imports: E20 petrol ...

Biofuel groups pin hopes on EPA allowing year-round sales of E15 in Midwest states, plus an emergency waiver to allow summer sales nationally. The annual debate over letting gas stations sell ...

Add Yahoo as a preferred source to see more of our stories on Google. Fuel options at a central Sioux Falls gas station, as seen on Aug. 22, 2025. (John Hult/South Dakota Searchlight) Fuel options at ...