21.   He said burning fuel always produces byproducts, but ventless fireplaces are designed to burn their fuels as completely as possible so potentially harmful byproducts are minimized.

22.   However, he says there are hints that nuclear reactions would burn stellar fuel faster in the mirror world.

23.   However, technicians say they could burn fuel more efficiently or switch from coal to natural gas, which produces less carbon dioxide.

24.   Hypothermia occurs when the body loses heat faster than it can burn fuel to replace it.

25.   If not, it may be necessary to revise the current theories of how the Sun burns its fuel.

26.   If it does recover, some natural gas-fired power plants now being built will be running at high capacity and burning more fuel.

27.   In normal operation, this is not a problem because the fuel is burned en route.

28.   Instead, they have been more expensive, burning more fuel than predicted, wearing out faster and proving more difficult and time-consuming to fix.

29.   It had to burn fuel cleanly and include a high percentage of Chinese-made parts.

30.   It spent almost five hours on the runway, just sitting there, burning fuel.

v. + fuel >>共 314
add 8.15%
use 7.00%
provide 4.46%
have 4.26%
buy 3.11%
burn 3.02%
help 2.54%
carry 2.30%
dump 2.25%
sell 2.16%
burn + n. >>共 756
tire 6.98%
house 5.34%
flag 4.95%
body 3.56%
effigy 3.44%
car 3.34%
home 3.34%
village 1.93%
building 1.73%
fuel 1.56%
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