Yellow Fuel Caps On GM Cars Means E-85 OK

Chuck Zimmerman

Did you know that there’s almost 5 million vehicles on the roads that can run on E85, an 85 percent blend of ethanol in gasoline? Most of the owners don’t even know it. The reason is that there’s no easy way to know if your car will accept this high level blend. On many of these FFV’s (flex fuel vehicles) you can check inside the fuel door and you might see a sticker that tells you but not all of them.

Flex Fuel Vehicles