FUEL: REFUELED is an enhancement modification for the game FUEL, which brings multiple bug-fixes, improvements and the addition of various new content.
A look at the vehicle selection menu in one of the new UI themes included with the second release of FUEL: REFUELED LITE and the Unofficial Patch #4.
An image of the original / default menu can be found here: Moddb.com
I don't know if it's just me, but I don't think I saw the Firefly among them. Very nice work, however.
Many vehicles are missing (all mavericks to be exact) in this video - simply because I wanted to show vehicle prices, and simplest way to do this was to unlock all zones but not vehicles. They are of course in game as normal though :P