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The Alternative Fuels Data Center
is your one-stop resource to find fuel and vehicle information.



Ethanol (E10 & E85)

An alcohol based liquid fuel, Ethanol is used as an oxygenate in 10 - 15% form and as a primary fuel in its 85% mixture. It is renewable and made from corn, sugar cane or carbohydrate feedstock. All vehicles are capable of running on an ethanol blend below 15%. Vehicles capable of operating on E85 can be purchased from the auto manufacturers today. These vehicles are "flexible-fuel" vehicles - meaning they can operate on E85 or gasoline or any mixture of them both.

  • Refueling process is exactly like gasoline refueling.
  • The price of E10 should be below that of unblended gasoline - up to 8 cents per gallon if oil refiners chose to blend their own ethanol.
  • Before the high spike in gasoline prices, the price of E85 was comparable to mid-grade gasoline. Now E85 can be purchased for about 10 cents below regular.
  • Public refueling of E85 is limited, but available in Kentucky. E10 is more widely available (see REFUELING below).
  • Variety of light-duty and SUV E85 vehicles on the market. Same costs as gasoline-powered equivalents.

Ethanol News:

5.1.08
Kentucky's Fifth E85 Pump opens in Mayfield

Max Arnold & Sons has installed E85 in Mayfield, Kentucky. Their MaxFuel retail site - Store #44, is located at 100 College Street, Mayfield, KY  42006. E85 is available starting today, Thursday, May 1, 2008.

4.19.08
Alltech Affiliate Ecofin Receives Grant of Up to $30 million for Rural Community Biorefinery

Today, Ecofin received a grant of up to $30 million from the U.S. Department of Energy (DOE) to be used towards the establishment of its rural community biorefinery. The plant will be located in Springfield, Kentucky and is estimated to employ 93 people when operating at full capacity.

As part of the DOE proposal, Ecofin’s rural community biorefinery will be one of the first in the United States to utilize cellulose, such as switch grass, corn cobs and corn stover, at raw material levels of up to 30 percent. This will be converted to ethanol and other value-added products.
Read more

2.20.08
E85 Available in Madisonville & Paducah

Quick Stop #29, 730 Princeton Pike, Madisonville, KY  42431 is now carrying E85, as well as Pugh's Midway/BP, 6801 Cairo Rd in Paducah.  See the list of all public E85 fueling locations in Kentucky...

2.20.08
GM Partner Coskata to Open Ethanol Plant

GM North America President Troy Clarke spoke at the Midwest Automotive Media Association Breakfast recently during the kickoff to the Chicago Auto Show. He took the opportunity to announce that the company's ethanol partner, Coskata Inc., will open a pilot ethanol production plant later this year and a full-production plant in late 2010. The Coskata plant will be the world's first plant to mass-produce ethanol from biomass. Read more...

Ethanol - 10.16.07
Underwriters Laboratories Announces Development of Certification Requirements for E85 Dispensers

Underwriters Laboratories (UL), North America’s leading safety testing and certification organization, announced the establishment of safety requirements for E85 fuel dispensing equipment, and is now accepting submittals for certification investigations. Read more...

Additional Ethanol:

Who's Using E85?
Commonwealth of Kentucky
Fort Knox Military Reservation
Louisville Metro Government
Mammoth Cave National Park
Murray State University United States Postal Service
University of Kentucky

Who's Producing Ethanol in Kentucky?
Commonwealth Agri-Energy

Available E85 Vehicles
See the AFDC

Where Can I Purchase Ethanol?
E10 Fueling Stations
E85 Fueling Stations
Printable Map

Kentucky Laws & Incentives
See the AFDC




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