Union Pacific Railroad is investing $20 million to test new technology designed to reduce diesel emissions from freight locomotives in California. A series of 25 experimental locomotives will be based in two Union Pacific rail yards in California as part of a rigorous test of emissions-reducing technologies. The investment represents Union Pacific's latest effort to further reduce emissions and move closer to the U.S. EPA's Tier 4 locomotive emissions standards for new locomotives starting in 2015. The experimental locomotives are intermediate line-haul units, with an operating range of approximately 200 miles, and will be used exclusively in California. More...
