The European Commission and the aeronautics industry Feb. 5 formally launched a €1.6 billion ($2.32 billion) research project to reduce greenhouse gas emissions from aviation. The project, known as Clean Sky, was set out in a Commission proposal published June 2007, and formally approved Dec. 20 (30 INER 495, 6/27/07).
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机译：欧盟委员会和航空业2月5日正式启动了一项16亿欧元（23.2亿美元）的研究项目，以减少航空业的温室气体排放。该项目称为“清洁天空”，已在2007年6月发布的委员会提案中列出，并于12月20日获得正式批准（30 INER 495，6 / 27/07）。
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