The Society of Automotive Engineers (SAE) has recognized Union Pacific for pioneering the development of a new type of rail yard locomotive that significantly reduces emissions and fuel consumption. The railroad's ultra-low-emitting Generator-Set, or Genset, switcher locomotive technology has received SAE International's Environmental Excellence in Transportation (E2T) award in the mobility and engine emissions category. SAE is a worldwide standards-setting organization devoted to mobility engineering in the automotive, aerospace, aviation and off-road industries.
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