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Sixth 'Next-Generation' Genset Locomotive En Route to Union Pacific's Roseville, Calif., Rail Yard

Omaha, Neb., June 11, 2009 – Union Pacific Railroad is on schedule to put a sixth "next-generation" ultra-low emitting Genset switching locomotive into service at its Roseville, Calif., rail yard.  The Genset will be field tested at Union Pacific's Fort Worth, Texas, rail yard before being deployed in Roseville in July. This locomotive's arrival brings Union Pacific's Genset fleet to 165, the world's largest and almost one-half of all built.

This version of the Genset switcher employs six traction motors for increased power over the previous Gensets, which operated on four traction motors.  The newer model maintains all the environmentally friendly standards of the previous Genset model.

"Genset locomotives can handle all rail yard duties and continue to be the standard bearer for new U.S. yard locomotives," said Mike Iden, Union Pacific general director, car and locomotive engineering. "We constantly are looking for ways to make our operations more efficient and safe. This next-generation Genset technology is maturing, while being able to reduce greenhouse gas emissions by 37 percent compared to older switching locomotives."  Currently, every major U.S. railroad operates Genset locomotives, as does one Canadian railroad and even a South American railroad.  The original prototype Genset locomotive was delivered to Union Pacific in late 2005.

One of the Genset's primary advantages is that its environmental benefits truly are calculated on a "well to wheels" basis, which means looking at exhaust emissions on a complete life-cycle basis starting with the origin of the fuel or energy source down to the work performed.  

"A lot of work is ongoing in terms of developing new and better locomotives and other vehicles," Iden said. "When calculating true fuel savings or greenhouse gas emission reductions, it is important to include every step in the process as we do with the Genset."

Genset locomotives use readily available diesel fuel, as do older locomotives, but significantly less of it.

The ultra-low emitting Genset locomotives reduce emissions of the oxides of nitrogen (which contribute to smog and ozone formation) by up to 80 percent and particulate matter by 90 percent compared to older switching locomotives.  And, because Genset locomotives use up to 37 percent less fuel than older locomotives, their greenhouse gas footprint is that much lower. Genset locomotive emissions typically are 50 percent better than current U.S. Environmental Protection Agency regulatory limits for new locomotives.

"Union Pacific operates the world's largest Genset fleet, and we will continue to use our hybrid locomotive experience to develop more advanced and cleaner locomotive technologies in the future," Iden said.
 
About Union Pacific

Union Pacific Corporation owns one of America's leading transportation companies. Its principal operating company, Union Pacific Railroad, links 23 states in the western two-thirds of the country. Union Pacific serves many of the fastest-growing U.S. population centers and provides Americans with a fuel-efficient, environmentally responsible and safe mode of freight transportation. Union Pacific's diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad emphasizes excellent customer service and offers competitive routes from all major West Coast and Gulf Coast ports to eastern gateways. Union Pacific connects with Canada's rail systems and is the only railroad serving all six major gateways to Mexico, making it North America's premier rail franchise.

For further information, contact Tom Lange at (402) 544-3560 or tomlange@up.com.

The statements and information contained in the news releases provided by Union Pacific speak only as of the date issued. Such information by its nature may become outdated, and investors should not assume that the statements and information contained in Union Pacific's news releases remain current after the date issued. Union Pacific makes no commitment, and disclaims any duty, to update any of this information.