Super Unleaded 87

Commonly referred to as ‘regular’ or E10, Super Unleaded 87 contains up to 10% ethanol and has an octane rating of 87. Boss Fuel recommends Super Unleaded 87 for anyone driving a 1990 and newer vehicle.

Super Unleaded 88

Commonly referred to as E15, Super Unleaded 88 contains 15% ethanol and has an octane rating of 88. Boss Fuel recommends Super Unleaded 88 as the best value for anyone driving a 2001 and newer vehicle. Made from local renewable resources, Super Unleaded 88 is the most economical fuel made for standard vehicles.

Super Unleaded 91

Commonly referred to as E20, Super Unleaded 91 contains 20% ethanol and has an octane rating of 91.  Boss Fuel recommends Super Unleaded 91 for anyone driving a flex-fuel vehicle.

E-30

Contains 30% ethanol and has an octane rating of 93. Boss Fuel recommends E30 as the best value for flex-fuel vehicles.

E-85

Contains a minimum of 70% ethanol and has an octane rating between 100-105. Boss Fuel recommends E85 for anyone driving a flex-fuel vehicle. Made from local renewable resources, E85 is the most economical fuel made for flex-fuel vehicles.