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Է 2010-05-27 00:38:47 0000-00-00 00:00:00 ѻ hskm3@hanmail.net øŴ ڵ ٸ . ó Ǵ øŴ ȭ (GWP, Global Warming Potential) trent richardson . EU ø ϰ . øſ ؼ ϴ , , Ƽ ǰ ȸ 簡 Ȱ ϰ .
    ϴ 2007 ø HFO-1234yf ߴ . ۻ縦 Ϲݱ 꿡 . ǥ ϴ HFO-1234yf trent richardson õ Ѵ . 켱 EU ϰ ٸ ǰ . HFO-1234yf Ǵ ø GWP(Global Warming Potential) 99.7% . Ǵ HFC-134a(Hydrofluorocarbon) GWP 1430 Ѵ . ȿ Ǵ EU MACD(Mobile Air Conditioning Directive) GWP 150 Ϸ ϰ ū . ű 2017 . ݸ ϴ HFO-1234yf GWP 4 . ϴ 2007 HFO-1234yf ѹ . SAE Ʈ ؿ . ݸ HFO-1234yf ʾ Ǵ øſ ؿ ϴ . ڵ Ŀ ø λ 200 ο Ѵ . ACEA ȸ ǥ ø 40 ο 200 ڽ Ʈ Ұ ϴ . ģȯ ø R-1234yf Ѵ . ø GWP 4 Ұ ϴ . R-1234yf EPA SAE(Society of Automotive Engineers), JAMA(Japan Automobile Manufacturers Association) ü ѹ . ѻ ٸ    2012 ڽŹ & etnews.com   
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