I think that it uses hydrazine fuel.
I am certain that Voyager1 and Voyager2 in the '70s.
"Star Trek: The Motion Picture" (1979).
The fuel a solar car uses is energy from the sun converted into electricity using solar cells.
Nuclear energy is produced using uranium as a fuel. The energy produced is in form of heat energy which is used to produce electrical energy.
a fossil fuel
It's chemical energy. The fuel is a hydrocarbon, which is burned using the other part of the fuel, oxygen from the air, to create carbon dioxide, water and heat.
If you are using bio fuel you are not using fossil fuel. Crude oil is a fossil fuel
Jet-fuel
it uses rocket fuel
air fuel
All Airbus aircraft use standard jet kerosene (Jet-A, for example). An unmodified A380 flew a test flight in 2009 using a mix of 60% jet fuel and 40% 'gas-to-liquids' fuel supplied by Shell.
It depends on the kind of engine it has