Owensboro Community and Technical College built a replica 1969 Cobra to run on E85 as part of OCTC's alternative fuels auto technician training program.
E10 - Most all of the gasoline sold in Kentucky contains 10% ethanol to boost octane and reduce greenhouse gas emissions. This blend is safe for all gasoline-powered vehicles and small engines.
E15 - Gasoline with 15% ethanol has been approved for use in automobiles manufactured since 2001. NASCAR has been using E15 in all its race vehicles since 2011.
E85 - This blend contains 85% ethanol and 15% gasoline and is only approved for use in Flex Fuel Vehicles.
Other ethanol blends are available in some areas, but gasoline with 20% ethanol or more is only approved for use in Flex Fuel Vehicles.
Ethanol is used by a many companies and governments in Kentucky looking to source locally-produced fuels and reduce their carbon footprint.
Ethanol blends and my engine - Renewable Fuels Association
All NASCAR racing vehicles have used E15 at Kentucky Speedway since 2011.
Mammoth Cave National Park became the first park in the Department of the Interior to develop an on-site fueling station using E85, and is the first national park in the country to be powered by 100% alternative fuel. More than 90% of the vehicles used by Mammoth Cave run on either E10 or E85.
An Educational Resource