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美国Caterpillar柴油机公司与本国Morrison Knudsen(MK)公司签订协议,联合制造两种新型的铁路机车,而其中的一种将采用以天然气为燃料的发动机,这反映了在全世界范围内人们对更低的排放量和气体燃料的高度兴趣。根据协议,由MK公司在它的位于爱达荷州的博伊西(Boise)工厂设计和制造新一代的机车,首批试验型机车预期将在1993年晚些时候进行试验。这种新的MK1200G型烧天然气的机车将用作调车机车。它的目标是:排放低,燃料效率高以及寿命期费用低。该型调车长约17m,宽3m,重130t。
US Caterpillar diesel company and its Morrison Knudsen (MK) company signed an agreement to jointly create two new railway locomotives, and one of which will use a natural gas-fueled engine, which reflects the people around the world to lower Highly interested in emissions and gas fuels. Under the agreement, MK will design and manufacture a new generation of locomotives at its Boise plant in Idaho. The first pilot locomotives are expected to be tested later in 1993. The new MK1200G natural gas-fired locomotive will be used as shunting locomotive. Its goals are: low emissions, high fuel efficiency, and low lifetime costs. This type of shunting about 17m, width 3m, weight 130t.