An alternative fuel conversion unit has received certification from the Environmental Protection Agency for use on certain types of fleet vehicles.

Flex Fuel U.S. of Chicago reports that its Flex-Box Smart Kit™ fuel conversion system is “the first and only E85 conversion unit has been certified by the Environmental Protection Agency (EPA) for fleet vehicles.”

The Flex-Box Smart Kit is mounted to the engine compartment and works by continuously monitoring engine and emission controls, allowing the vehicle to operate on all unleaded gasoline-ethanol blends. At this time Flex-Box Smart Kit has been approved for fleet vehicles made in the year 1995 or after, including the Ford Crown Victoria, Mercury Grand Marquis and the Lincoln Town Car.