Gas vs. E85: Power and Pros & Cons On this episode of Engine Masters presented by AMSOIL, we test the power differences between 118-octane race gas and Rockett Brand E85 ethanol-blended fuel ...

Pros: Potential for excellent fuel economy ... E10), and more than 8 million cars already on the road can use E85. Cons: Twenty-five percent lower fuel economy on E85 than gasoline.

Flex fuel is what's known as an alternative fuel, of which there are many, but flex fuel is largely unique in that it works ...

This means the Envista can take conventional gasoline or E85 ethanol blend. E85 can unlock more power but also tends to hurt fuel economy. On the ethanol mix, the Envista returns just 20/24 mpg ...