The Union Pacific GTELs – when railways went full jet-engine 🔥🚆 The Union Pacific Gas Turbine-Electric Locomotives, built by Union Pacific Railroad, were among the most powerful locomotives ever to run in the United States. Nicknamed “Big Blows”, these incredible machines roared across the American West with aircraft-style gas turbines, hauling immense freight loads over vast distances. They were loud, hot, thirsty for fuel — and utterly unforgettable. Loved by railfans, feared by city planner