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 interesting they re a mixture of coal dust and molasses. they don t burn as well, but are supposed to be more environmentally friendly. lines like the worth valley market themselves as steam attractions. diesel trains don t have the same draw. people come from all overjust to see the steam trains. and it s nice that the railways