AutoGuide’s regular “Under the Hood” segment has already explained the vagaries of octane and the advantages of Top Tier gasoline, but there’s so much more to fuel than that. Ethanol, for instance, is ...

The average price for gas sits at $5 nationwide, according to AAA. With drivers searching for the cheapest prices, gasoline with higher blends of ethanol is seeing an uptick in demand. E85 is priced ...

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 ...

Ever wonder about those yellow gas pumps marked E85 that dispense fuel that's typically slightly less expensive than the station's other options? E85 is an ethanol-heavy blend of gasoline that ...

E85 — aka Flex Fuel — is a domestically produced, renewable, alternative fuel blend consisting of around 85-percent ethanol and 15-percent gasoline. Made for use in specially prepped flex fuel ...

Fueling your vehicle is something drivers likely do at least once a week, and you're used to seeing regular, midgrade, and premium options. Although, there is a big myth about gasoline you need to ...

Fuel might be one of the most overlooked parts of modern car technology by the average person. It's nothing more than the stuff you put in a car to make it go, right? Well, there's a lot more to what ...

Despite millions of dollars of commitment from automakers like Ford and General Motors, finding somewhere to fill your flex-fuel car with E85 is now officially harder than finding somewhere to ...

If your small-block Chevy is laying down some serious horsepower — especially if those beans are courtesy of a high compression ratio or boost — you've probably considered switching to E85 fuel. At ...

If you pull up to the premium pump only to sneer at the “10% Ethanol Added” sticker, you’re not alone. Don’t get me wrong, we’re glad that America’s corn farmers are getting paid—it’s just that ...

In a world of ever-changing fuel sources - hybrids, electric vehicles, and so on - is there even an answer to what type of fuel is the best? There are mountains of discourse online about how efficient ...

Sean is a JDM and off-road enthusiast of many years, and an automotive photographer. He holds a B.A. in Literature and Writing Studies, an A.A. in Communications, and an A.A. in English. He is ...