Fusion Flea

The Fusion Flea is a fictional vehicle powered by nuclear fusion in the world of the Fallout series. It made it's first appearance in Fallout 3 and has thus far appeared in each game since. According to notes on the concept art for Fallout 4 the vehicle's design was inspired by the Messershmitt KR200. A line of fossil fueled cars of German origin that where produced from 1955 to 1964 by Aircraft manufacturer Messershmitt. The Fusion Flea's history in the world of Fallout has yet to be elaborated on.

Characteristics
The Fusion Flea is a three wheeled one passenger fusion powered car. It's engine is in the back of the car and while one would expect the back wheel to be used for steering the front two wheels are.