Most gas sold in the U.S. contains 10 percent E10, but E15 blends can cost 10 cents less per gallon and are growing in popularity.

E85 is a liquid fuel consisting of up to 85 percent ethanol with the rest straight gasoline. It's pitched as an alternative to pure gasoline and claims a variety of benefits, which we'll get into ...

In the study, the total alcohol consumption per capita of citizens of each nation aged 15 and up was measured and listed in liters of pure alcohol. For reference, a standard drink is measured at ...