柴油机及其附属系统的改进,在运转性能、可靠性和耐久性方面正在取得成果,因而新机车能用较少燃料做较多工作。不论你是世界重量级拳击冠军,还是世界上最大的机车制造者,生活对你总提出一个又一个的挑战。霍姆斯经常靠击倒对方来保住自己的冠军;GM 公司的 EMD 依靠在买主中的信誉取 Improvements to diesel engines and their ancillary systems are yielding results in operational performance, reliability and durability, so new locomotives can do more with less fuel. Whether you are a world heavyweight boxing champion or the world’s largest locomotive manufacturer, life poses one challenge after another. Holmes often defeats his title by knocking down each other; GM’s EMD relies on the creditworthiness of the buyer