21.   Going into the last lap, he was still racing at full speed and not worrying about conserving fuel.

22.   Many gas stations were tapped out and apartment managers and homeowners turned off burners to try to conserve heating fuel.

23.   The Royal Mail said Thursday it was suspending Sunday collections, to conserve fuel.

24.   Thousands of Burundians packed a soccer stadium to register for gasoline ration cards, issued to conserve imported fuel.

25.   Unless they can conserve fuel, the astronauts might have to halt their mapping as much as a day early.

26.   With so many cautions, the drivers were able to conserve fuel, and the leaders went to the pits only once.