What is the range of a flexible fuel ethanol vehicle?

Ethanol has less energy content than gasoline. However, E85 also has a much higher octane (ranging from 100 to 105) than gasoline. OEM FFVs are not optimized to E85, so they experience a 15% to 25% drop in fuel economy. This will vary based on temperature and driving conditions. The Flex Box Smart Kit is however optimized to run on E85, so the fuel loss is much less, typically 2% to 5% when compared to regular gasoline and up to 10% when compared to premium fuel (93 Octane). In addition, the Flex Box Smart Kit improves horsepower and torque with E85. Typically Flex Fuel U.S. measures a 10% increase in horsepower and torque.

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