The unprecedented increase in human Numbers is paralleled by the highest levels of fossil fuel consumption and greenhouse gas production in history.

随着史无前例的人口激增，化石燃料的消耗与温室气体的排放也达到了历史上的最高水平。

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The new tax is meant to reduce fuel consumption and fight pollution. Rather than further raising the tax on fuel, which increased by almost 20% in June, the government is taxing gas-guzzling cars.

该举措不是继续提高已经于6月份上涨了接近20%的燃油税，而是意在减少燃油消费从而对抗污染：准备对高油耗汽车征税。

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For this purpose, the gas fuel combustion on different coefficient of air consumption has been described in this dissertation.

本文就是基于此目的，对不同空气消耗系数下的气体燃料燃烧展开了研究工作。

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The use of renewable energy sources will decrease the Army's fossil fuel consumption, while lowering greenhouse gas emissions and creating a more assured energy supply.

WHITEHOUSE: Energy and Environment Latest News | The White House

Study after study has pegged energy efficiency as the lowest-cost way to curb fossil-fuel consumption and the resulting greenhouse-gas emissions.

WSJ: The Experts: What Will Be the Next Technological Breakthrough in Energy?

Presently, natural gas used as transportation fuel constitutes only about 0.1 % of total U.S. consumption.

FORBES: Tough Trucking For Natural Gas Vehicles: Can They Make It In The Long Haul?