据北京公交集团介绍,104路(104路和104快两条线路)最早是无轨电车线路,在1994年变为使用燃油公交车的线路。自2013年12月28日首车起,104快燃油公共汽车将被双源无轨电车所替代,并变更路号为127路。此次更换的双源无轨电车,采用锂离子动力电池技术,续航能力强,在正常路况下可脱离线网行驶8~10公里。 According to the introduction of Beijing Bus Group, 104 (104 and 104 fast two lines) was the first trolley bus line, in 1994 became the use of fuel bus lines. Since the first car was launched on December 28, 2013, 104 fast fuel buses will be replaced by double-source trolley buses and the road number will change to 127. The replacement dual-source trolleybus, using lithium-ion battery technology, battery life, under normal traffic conditions can be detached from the line network 8 to 10 km.