Why Is Water Sprayed At Coal During Transport?

Hundreds of thousands of wagons of coal are transported every day and one train pulls between 100-150 wagons by itself and each wagon requires several hundreds of liters of water.
#technology #howthingswork #didyouknow #howitworks #learnsomethingnew #train

[@nighthawktheflyingspur]

I wonder if coals release more methane than cows.