Union Pacific to spend $1B to upgrade 600 older locomotives


              In this photo provided by Wabtec, operator cabs for Union Pacific modernized locomotives being built at Wabtec's Fort Worth plant are pictured in October 2021, in Fort Worth, Texas. 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 to do more to cut pollution from its engines. (Jay Sifler/Wabtec via AP)
            
              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 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 to do more to cut pollution from its engines. (Jay Sifler/Wabtec via AP)
Union Pacific to spend $1B to upgrade 600 older locomotives