Flex Fuel?

[tom]

After reading this article I was curious to what exactly is flex fuel?

GM To Push Large SUV Hybrid Models - Hybrid Car Chat

[Simplyme]

Flex fuel vehicles are ones that can run on straight gasoline or on a blend of up to 85% ethanol or what is otherwise otherwise referred to as E85.

[Jeremy LA]

Trying to figure this out. I think it is straight gasoline.

[Agent Fred]

Google is your friend:

Flexible-fuel vehicle.

[princee18]

Wow, thats very informative. But i am wondering that how can we know whether our vehicle is flexible fuel vehicle or not. (because it looks like gasoline-only models)