EPA has issued revisions to its regulations that address the preemption of state and local emission regulation of locomotives and engines used in locomotives. This rule implements a policy change that ...

DENVER — The world's largest steam locomotive will return to Colorado on a limited holiday tour. Union Pacific said Big Boy No. 4014 will make its first-ever holiday tour with a trip from Cheyenne to ...

Yamaguchi – An iconic class C57 steam locomotive in Japan has finished major repairs and is now set to resume commercial operations. On Saturday, a train hauled by the C57, nicknamed Kifujin (noble ...

To celebrate America’s 250th—the semiquincentennial—in a huge, or should we say Big way, the Union Pacific Railroad embarked on a truly epic, once-in-a-lifetime journey powered by their most prized ...

(WTVG) 133 feet long... 1.2 million pounds... 25,000 gallons of water. We could throw the stat line at you all day, or you can come along for the ride! For this week’s Moment of Science, we’re showing ...

ALTOONA, Pa.—This summer’s tear-jerker isn’t a rom-com. It’s Big Boy 4014. The 1.2-million-pound locomotive, built in 1941 to haul heavy freight across the Wasatch Mountains between Utah and Wyoming, ...

ST. LOUIS — Suffocating humidity and an official heat advisory couldn’t deter an enormous crowd from swarming Union Station to see Big Boy on Sunday — Union Pacific’s monstrous and aptly named 1.2 ...

NASHVILLE, Tenn. (WKRN) — A historic Nashville train is one stop closer to being back on the tracks. Locomotive 576 is a living piece of Nashville’s railroad roots. Built in 1942, the steam locomotive ...

NASHVILLE, Tenn. (WTVF) — For more than half a century, a locomotive that once helped move troops and supplies in World War II sat as a landmark at Centennial Park in Nashville. It was once a classic ...

KNOX, Ind. (WNDU) - Union Pacific’s Big Boy No. 4014 — the world’s largest operating steam locomotive, weighing more than a million pounds — is expected to make a whistle-stop in downtown Knox on ...

The 1.2 million-pound train still has a few stops left on its first coast-to-coast tour. By Laura Baisas Published Jul 14, 2026 3:01 PM EDT Add Popular Science (opens in a new tab) More information ...

Huge crowds of train fans turn out as the 1940s era Big Boy steam locomotive is making a rare trip cross country. It'll stop at Kansas City's Union Station from July 21-23, in between visits to St.