There are few differences between gasoline and E85 gasoline. In fact many drivers may be barely aware of the differences. Performance is virtually identical, with a small boost in horsepower and a slight increase in acceleration. Driving is more or less the same, except for a slight olfactory difference – E85 smells starchy at start up and when you step hard on the accelerator. Pumping the gas is a virtually odorless experience, except for that wisp of starch. The most impressive performance benefit to E85, however, is the feeling you get while in traffic. There you are, sitting in your mammoth truck or SUV, smug in the knowledge that you’re burning clean -- and doing so without sacrifice to performance or utility.