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 ...

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 ...

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 ...

Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...