The increase in the demand for coal could result in new mines created and existing coal mines opened again, according to a government proposal.
The British government has pumped money into "clean coal" technologies to reduce air pollution when coal is burnt, reported the Sunday Telegraph.
"We have very limited stocks of oil and gas yet we have hundreds of years' worth of known coal reserves right on our doorstep," Andrew Davies, the economic development minister for the Welsh Assembly. "Now that the value of coal has risen it's becoming a viable option again."
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