With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Pretty simple question actually (or so my ignorant mind thinks): At what compression ratio would an engine benefit from higher octane fuel? The Focus I drive is just over 10:1, and I've heard some say ...