Least cost might mean less money required to install equipment or buy fuel.

This cash will be used in future rounds to buy more plants, fuel, and cities.

The player can then use this cash to buy special weapons, defenses or fuel.

There are many places to buy fuel between here and the Canal and certainly south of it.

Two men are doing relief work but can not afford to buy enough fuel to keep their families warm.

People were begging to buy fuel and sometimes had to wait for days.

Now you buy fuel at the actual price and at your own convenience.

Mind you, it's a bad place to try to buy fuel, Captain.

Here he was offering to buy fuel without my even suggesting it.

You could soon earn enough to buy the tractors and fuel.