Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. CIE 8100 Class - The CIE 8100 class were the first electrical multiple units used on the Dublin Area Rapid Transit (DART) system. Built by GEC and LHB (Linke-Hofmann-Busch) in 1983/84 they are two-car units and were the only units used on the DART before the arrival of the 8200 Class. 40 two car sets were delivered numbered 8101/8301 to 8140/8340. 81xx units are power cars while 83xx units are unpowered driving trailers.
The answer is:
Mean Of Transportation