What’s the difference between gasoline and diesel fuel? Hydrogen and electricity? How does ethanol fit in the fuel mix? We are beginning to fuel our vehicles in a multitude of ways, and Cars.com wants to offer you a crash course in the basics of what you’re putting into your gas tank or battery. “Fuel 101” in our advice section goes over the basic chemistry and mechanics of gas, diesel, ethanol, biodiesel and electricity.
Fuel 101: What You Need to Know About What You Put in Your Car (Cars.com)