21.   To save fuel, he kept the engine turned off.

22.   To save fuel and emphasize her belief, Ms. Limerick got around by bicycle, train and bus.

23.   To save fuel, airlines now pump less fresh air into planes than they once did.

24.   Turning off an air-conditioning pack not only saves fuel but reduces noise in the cabin.

25.   With it, they can fly around turbulence or choose a path that saves fuel.

26.   Penske thought the attempt to save fuel might result in the seventh victory by one of his cars on the track.

27.   Bus services throughout the country have been reduced to save fuel.

28.   But he passed some slower cars, had some good pit strategy, saved fuel like a veteran and had plenty of pop at the end.

29.   Chamlong also said that pilots were being instructed to take measures to save fuel, perhaps setting up conflicting signals as far as safety and economy were concerned.

30.   I tried to save fuel.