Coal, the old-fashioned arch-polluter, is about to go green and become the fuel of the future. Andrew Vine reports on a pioneering project in South Yorkshire
The pithead gear is working again at Hatfield Colliery, and the sight of it always raises Richard Budge's spirits.
"I love to see those wheels going round," he says. "I hate to see them stopped, and I'll like it even better when they're hauling coal out."