You might have noticed that some gas stations occasionally offer specials on unleaded 88 octane gas—also known as E15—which contains 15 percent ethanol. Ethanol is an alcohol that’s derived from corn.

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 ...

I'm semi-infamous in my neighborhood for almost exclusively driving classic cars. I've never actually owned anything newer than 25 years old, with most of my vehicles requiring varying degrees of TLC ...