Alcohols have been added to gasoline as an octane booster, an oxygenator, a means of extending the fuel supply, and replacing ethers such as methyl tertiary butyl ether (MTBE). While these are all good things, alcohol has one major issue. Water and alcohol are fully miscible and this can cause the alcohol and water to separate from the gasoline and form two distinct layers. This is a process commonly termed phase separation. During phase separation,...