My suspicion is that they're not counting the ethanol in their MPGe calculation. They claim to be using E85. In other words, the fuel mixture may contain abou

My suspicion is that they're not counting the ethanol in their MPGe calculation. They claim to be using E85. In other words, the fuel mixture may contain about 85% ethanol. Their MPGe calculation probably only counts the gasoline in that mixture, the 15%.