The conflict over the Renewable Fuel Standard between the EPA, Congress and special interest groups have left hardworking people throughout rural America with a growing sense of uncertainty about their futures. An honest discussion about this program is long overdue. In order to do that, it’s necessary to understand where the RFS began, how it evolved and the role it plays in ensuring American prosperity and security. For decades, refiners have used octane enhancers. Lead was the most common but was replaced in the late 1970s by an organic compound called Methyl tert-butyl ether (MTBE).