Even where supermarkets and storehouses are well stocked, fuel is required to deliver goods the final mile they must travel to the people who need it most.
即使有储备充足的超市和仓库,人们也需要燃料将物品分发到最后一公里,必须到达那些最需要的人们那里去。
Unlike cars powered by hydrogen fuel cells, of the sort launchedby Honda this week, battery cars do not need new pipes to deliver their energy.
并不像氢燃料电池驱动的汽车,本周本田发布的电动汽车并不需要新管路来传送能源。
Bigger engines running hotter may deliver greater fuel efficiency, but they are also testing the limits of modern materials.
运行温度更高的较大引擎可能带来更好的燃油利用率,但它们同时也测验着现代材料的极限。
应用推荐