A nuclear reactor is a device that produces and controls the release of energy from splitting atoms of uranium. This energy is harnessed in order to boil water to make steam that then drives turbine generators. Nuclear power is a popular alternative to the traditional burning of fossil fuels that remains the primary source of energy in most places all over the world.
Panamint Springs has monopoly power, this means that being the last gas station on the root, they have control over price. Most vehicles will have no choice but to buy gas at whatever price the seller fixes.