Monday, in honor of Earth Day, Thorntons is offering flex-fuel at a discounted price.
The offer is valid for E-85 Flex Fuel from 8am-2pm.
Thorntons has been offering the mixture of 85% ethanol and 15% petroleum since 2006.
It's a renewable fuel source that reduces harmful emissions and provides economic benefits.
For more information about E-85, including where to buy it, click here.