According to the EPA, ethanol produced from corn at a modern refinery powered by biogas can represent a 20 percent greenhouse gas reduction compared with regular gasoline.

据美国环保署说，与普通汽油相比，在一个靠沼气发电的现代炼油厂使用玉米提取的乙醇能使温室气体排放降低20%。

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South Korea announced its first greenhouse gas reduction target in November 2009, pledging to cut emissions of carbon dioxide and other heat-trapping gases by 4% below 2005 levels by 2020.

韩国在2009年11月宣布第一个温室气体减排目标，承诺到2020年将从2005年水平减少4％的二氧化碳和其他吸热气体的排放量。

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The EU and Japan have been promoting global greenhouse gas reduction actively.

欧盟与日本则一直积极推动全球温室气体减排；

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The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26

Many nations have pledged to reduce greenhouse gas emissions, but are falling short of the target reduction of 25 to 40 percent of 1990 levels.

VOA: standard.2009.09.28

Their task is to find common ground, including on reduction of greenhouse gas emissions, promotion and transfer of new more eco-friendly technology and the necessary funding to make this possible, especially for the less developed and poorer nations.

VOA: standard.2009.12.08

The Royal Society wants ministers to specify targets not for biofuel consumption but for greenhouse-gas reduction.

ECONOMIST: Worries over biofuels could work to Britain's advantage

All four except Alaska also had the more stringent greenhouse gas reduction target.

FORBES: Water Risk Threatens Businesses, National Security

Under his tenure as governor, New Mexico has set some of the country's toughest greenhouse-gas reduction mandates and renewable-energy standards.

ECONOMIST: New Mexico