本期内容：

Could chip fat help dirty shipping clean up its act?The global shipping industry is as big a contributor to greenhouse gas emissions as aviation, and the heavy fuel oil that powers its giant vessels is exceptionally dirty - packed with soot, black carbon and sulphur. In September, a biofuels program called GoodShipping announced that it had supplied a small container ship with 22,000 litres of Hydrotreated Vegetable Oil (HVO) - former cooking oil that has been turned into a diesel.

dirty shipping: 肮脏的货轮产业
greenhouse gas emissions: 温室气体排放 emission: n. 船舶
exceptionally: n. 生物燃料
litre: n. 公升
supply with: 提供diesel: n. 柴油

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