Comstock's Magazine features a slide show of Union Pacific's J.R. Davis Yard in Roseville, Calif., and the mechanics that maintain a series of experimental locomotives that are testing advanced emissions reduction technology in Union Pacific freight locomotives: http://3bl.me/pvek6a
About Union Pacific
Union Pacific Railroad is the principal operating company of Union Pacific Corporation (NYSE: UNP). One of America's most recognized companies, Union Pacific Railroad links 23 states in the western two-thirds of the country by rail, providing a critical link in the global supply chain. From 2007-2012, Union Pacific invested $18 billion in its network and operations to support America’s transportation infrastructure, including a record $3.7 billion in 2012. The railroad’s diversified business mix includes Agricultural Products, Automotive, Chemicals, Coal, Industrial Products and Intermodal. Union Pacific serves many of the fastest-growing U.S. population centers, operates fr