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Introducing wind and solar renewable energy
sources in place of natural gas to produce electricity
and hydrogen leads to a reduction of air pollution
emissions.
用风力和太阳能可再生动力资源替代原油以产生电和氢的推广减轻了空气污染的扩散。
Implementation of wind- and solar-based
electricity for AP emissions mitigation is less costly
than the introduction of wind- and solar-based
hydrogen.
以风力和太阳能发电使得空气污染减少要比以风力和太阳能产生氢（达到同样目的）耗费低。
With present costs of wind and solar
electricity, it is shown that, when electricity from
renewable sources replaces electricity from natural
gas, the cost of air pollution emission abatement is
more than ten times less than the cost if hydrogen
from renewable sources replaces hydrogen produced
from natural gas.
据（资料）显示，当今，在使用可再生资源替代原油时，风力和太阳能发电耗费于减少空气污染的费用十倍低于风力和太阳能产氢的同项支出。
The introduction of ‘‘renewable’’
hydrogen as a fuel for fuel cell vehicles instead of
gasoline can lead to economically effective reductions
of AP emissions only if the efficiency of a fuel
cell vehicle is about two times higher than that of an
internal combustion one.
“可再生”氢作为一种既经济又有效地减少空气污染的燃料或燃料媒介以替代汽油，只有在其效率两倍于内部燃烧物的情况下才可实现。
The results provide a
useful economic evaluation of air pollution emissions
mitigation by the introduction of renewable
wind and solar energy sources.
（资料）结果为以推广风力和太阳能动力资源以减轻空气污染扩散提供了一份有用的经济评估。