【周佩萱/綜合外電報導】阿根廷國家農業技術院(National Institute of Agricultural Technology)的科學家研究出利用牛放的屁,轉化成燃料的方式,他們先利用氣閥和幫浦收集牛所排放的廢氣,接著將廢氣中的甲烷分離出來,之後再將甲烷壓縮,形同天然氣,就可以用來當作燃料。
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