Union Pacific's proposed acquisition of Norfolk Southern would connect more than 50,000 miles of rail across 43 states, ...

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 ...

ROSEVILLE, Calif. (AP) — Union Pacific said on Monday that it will spend $20 million testing low-emissions locomotives in California. The railroad may eventually test up to 25 locomotives with ...

Union Pacific said on Monday that it will spend $20 million testing low-emissions locomotives in California.The railroad may eventually test up to 25 locomotives with various low-emissions ...