fuel → uncountable
Meaning: something that's burned for heat or power, like wood, oil, gas, etc.
Example sentence: Mum thinks her car's broken down, but it's just run out of fuel.
fuel → countable
Meaning: a particular kind of fuel
Example sentence: One day we'll run out of fossil fuels like oil, coal and natural gas.
In which sentence is the word "fuel" uncountable?
Contributor: Matt Errey