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美國批準使用新型汽車制冷劑

美國環(huán)保署2月28日批準一款車用空調(diào)制冷劑的替代品氫氟烯烴-1234yf(HFO1234yf),其q*變暖潛值只有4。 目前在汽車空調(diào)上廣泛應(yīng)用的HFC-134a,雖然不會破壞臭氧層,但其q*變暖潛值高達1430。美國環(huán)保署指出,對于汽車制造商來說,要使轎車和輕型卡車達到溫...

標簽: 美國批準使用  

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