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Britain's first bus powered by human waste has taken to the streets. 近日，英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food waste at a processing plant in the south west. 这辆40座的“生态巴士”靠人粪、垃圾等废物所产生的沼气驱动，沼气是在西南部的一个处理厂生成。 And a single tank of the gas - produced using the typical annual waste of just five people - is enough to power the vehicle for 190 miles (305km). 据悉，只需要相当于5个人一年的排便量便足够支撑巴士跑完190英里（约305千米）。 Today's maiden voyage saw the first passengers travel on the route from Bristol Airport to Bath, Somerset -a distance of around 20 miles (32km). “大便巴士”于11月19日首次上路，将第一批乘客从布里斯托机场运送到了萨默塞特的巴斯，总距离约为20英里（约32千米）。 The gas is being produced at a Wessex Water sewerage plant, run by energy firm GENeco. 负责生产沼气的是GENeco能源公司管辖的威塞克斯污水处理厂。 Mohammed Saddiq, director of GENeco, told Bristol Post: 'Gas powered vehicles have an important role to play in improving air quality in UK cities. GENeco能源公司负责人穆罕默德·萨迪克称：“这种由沼气供能的汽车对提升英国的空气质量很有帮助。” | 
