一般说来,柴油机的燃烧效率比较高,但在车辆爬坡或加速时,情况却不同了,特别是市内公共汽车和运输车辆反复起动和停车,就会排放出大量的煤烟. 瑞典伏尔公司最近研制开发了一种柴油汽车用新型过滤器.这种过滤器与以往的陶瓷燃烧器相似,但不必在燃料中加入添加剂.此过滤器底座上装有电热式燃烧器和空 In general, diesel combustion efficiency is relatively high, but when the vehicle is climbing or accelerating, the situation is different, especially in the city bus and transport vehicles repeatedly start and stop, will emit a large amount of soot. The company recently developed a new filter for diesel vehicles that is similar to conventional ceramic burners without having to add additives to the fuel.The filter base is equipped with electric burners and empty