petrol tank BrE
gas tank AmE

From the car park I heard another 'boom' and saw a flash as a petrol tank exploded.

Can't you put sugar in his petrol tank or something?

I was pretty certain that I had hit his petrol tank.

This time she gave him a rag to dip in the petrol tank.

Negative rates are like having a leak in the petrol tank of your car.

Got the petrol tank and smashed up the landing gear.

Why not go round putting sugar in all our petrol tanks - that sounds as if it would make you happy.

"That must have been the second petrol tank," he said.

There'll be other petrol tanks below ground that the fire hasn't touched yet!

The petrol tank is completely empty; we're going to have to walk.