C&O J-3-A 4-8-4 "Greenbrier" (Northern) type No. 614 handled several coal trains between Huntington and Hinton, West Virginia as part of American Coal Enterprises testing in 1985. From the GSVP show "C&O 614 Coal Trains" https://rfd.video/614Coal | Steam Giants

We love the steam locomotives but operating a steam locomotive in the 21st century is very expensive. One of the bigger expenses is coal. The video shows us getting 26-tons of coal. The tenders of Locomotives 81 and 93 hold 12 tons of coal each. In other words that load will fill each tender ONCE! This is how the numbers break down. When either Locomotives 81 or 93 make the 14-mile round trip to Keystone, they will burn around 2,500 pounds of coal, just over a ton for the one trip. Our steam sch