From Memorial Day through Labor Day, the Renewable Fuels Association (RFA) offers $100 in free fuel to participants for reporting prices of E15 and E85 as part of its annual Ethanol Days of Summer Contest. 
The contest encourages consumers to submit pump prices for flex fuels like E85 and ethanol blends like E15. View winners here.
About ethanol, E15, and E85:
The market for higher ethanol blends continues to grow. All model year 2001 and newer light duty vehicles can use E15 (fuel containing 15% ethanol, accounting for more than 97% of the vehicles on the road today. Additionally, more than 22 million flex fuel vehicles can use E85 (fuel containing 85% ethanol). Check here to learn if your vehicle is flex fuel.
Want to learn more about ethanol and why it’s a GREAT fuel for your car? Visit RFA’s consumer section to learn how the benefits of ethanol are worth the switch to E15 and E85.
About E85Prices.com:
E85Prices.com features pricing for E15 and E85. All of the fuel prices are crowdsourced, meaning the prices you submit are used by other drivers to see where they can get the best price for their fuel! Because ethanol is cheaper than its fossil fuel counterparts, you’ll notice that the higher the ethanol blend – the lower the fuel cost!
