You could use operated here (worked doesn't really work) but we normally speak of machines 'running' on a fuel. The sentence doesn't say that the cause of the poisonous gas was just that it ran on gasoline - the pump was broken, therefore poisonous gas was released, relating to its fuel. It could equally have sprung a leak if it had run on gas or other power - but this poisonous gas comes from gasoline.
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Nona The BritYou could use operated here (worked doesn't really work) but we normally speak of machines 'running' on a fuel.
The sentence doesn't say that the cause of the poisonous gas was just that it ran on gasoline - the pump was broken, therefore poisonous gas was released, relating to its fuel. It could equally have sprung a leak if it had run