Come with that, the cost that comes with that, and also the increased carbon footprint that comes with that, too. the ffos—y—fran opencast pits will close in november. its 15—year—long mining licence has expired and, whilst coal prices are at record levels, the welsh government won't extend the licence. and so the hunt for another supply is already under way. with the demise of british pits over the last 30 years, the railway has been looking for other sources of coal. this is lump coal imported in from poland. it burns really well. and here we've got some ovoids. now, these are intere...