Sydney Morning Herald: A TRAIN hauling nearly 100 carriages crawls through a warehouse as if straining from the effort. As each carriage reaches a trigger point, its belly breaks open to spew lustrous black coal onto a conveyor belt beneath the track. The sound of the belt and the intermittent screeching of the train brakes is deafening and the air leaves a chalky dryness on the tongue. About 50 trains a day pass through this “dump station” at the Kooragang terminal at Newcastle and a similar facility at …