You keep the Fuel supply on here. (You add it to Tycoon but can't spend it.) After scoring, Rivals discard all Fuel.
Prelude: You may discard this to steal 1 Fuel.
Keys: 2
Act: 2
A: The resources count towards ambitions and Keeper's Solidarity, but they cannot be discarded for Relic Fence or be stolen.
A: Yes.
A: Yes. Any card that says you can discard it to do something else can simply be discarded.