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能源短缺、气候变化异常是当今人类面临的最重要问题之一。英国在2003年的《能源白皮书》中提出的目标是,到2050年,温室气体 CO2的排放量将减少60%。在英国,交通方面的 CO2排放量大约占总排放量的25%。为了实现
Energy shortages and abnormal climate change are one of the most important issues facing mankind today. The UK’s 2003 Energy White Paper sets the goal of reducing greenhouse gas CO2 emissions by 60% by 2050. In the UK, CO2 emissions from transport account for about 25% of total emissions. In order to achieve