OMAHA, Neb. (AP) — Union Pacific will spend more than $1 billion to upgrade 600 of its old diesel locomotives over the next three years and make them more efficient, but regulators still want it ...

Most of the freight locomotives here in America use diesel-electric technology. They have gigantic diesel engines that act as generators for the electric motors that do the heavy lifting to get power ...

with the exception of one locomotive, the 844.” Today is different. Engine shops that remain are almost exclusively set up to maintain Union Pacific’s modern diesel fleet. The men who spent ...

Union Pacific’s Abraham Lincoln commemorative locomotive will be displayed at baseball’s College World Series, the railroad ...

Union Pacific, the railroad company, announced yesterday that an experimental after market diesel engine filter will be tested on a 1982 locomotive over the next year in the company's Oakland rail ...

In this photo provided by Wabtec, a completed modernized Union Pacific locomotive is prepped for delivery at Wabtec's Fort Worth plant in Fort Worth, Texas, in October 2021. Union Pacific will ...

Union Pacific will spend more than $1 billion to upgrade its old diesel locomotives and make them more efficient, but regulators still want it to do more to cut pollution. ...