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相对于煤和石油,页岩气是一种清洁能源。使用页岩气所排放的二氧化碳要比燃烧煤和石油少得多。每生产一度电,燃烧页岩气所产生的二氧化碳要比燃烧煤所产生的二氧化碳减少50%以上。
Shale gas is a clean energy source relative to coal and oil. Using shale gas emits much less carbon dioxide than burning coal and oil. For each kilowatt-hour of electricity generated, burning of shale gas produces more than 50% less carbon dioxide than burning coal.