41.   That means less fuel is being burned at a time, increasing the gas mileage.

42.   That plane will burn less fuel and carry twice as many people as the Concorde, making it much more efficient and less costly to operate.

43.   The plane, which is painted with the Diamond backs logo, made a safe emergency landing in Phoenix after circling for more than an hour to burn fuel.

44.   The resulting fuel would be burned in civilian nuclear power plants specially designed to operate with it.

45.   The tour was part of a campaign to publicize the health threat of soot generated from burning diesel fuel.

46.   These planes, which fly farther and burn less fuel than previous models, also allow Southwest more flexibility to fly coast to coast.

47.   They also burn more fuel.

48.   Those fortifications were no match, however, against the heat generated by burning jet fuel.

49.   Vessels that have run aground in remote but environmentally sensitive areas in Alaska can leave the Coast Guard little choice but to burn their fuel.

50.   We have power plants that burn multiple fuels.