利勒哈默尔的开幕式上有一个巨大的奥运火炬,它是由腐烂植物产生的沼气燃烧着的。
'A tank is enough to get you around the region for the day, but you have to plan ahead,' Martin Risberg, a county engineer, said as he filled a biogas Volvo.“一个油箱就足够让你在这一地区转上一天,但你必须提前计划。”该县工程师马丁·里斯伯格一边给一辆沼气沃尔沃加满油,一边说。
In the United States, biogas systems are rare.在美国,沼气系统非常少见。