U.S. shale gas boom having knock-on effect in Europe , despite EU environmental policies . Of these , only two have broken ground and 73 have been abandoned . Comment: US coal has displaced more expensive gas in Europe as feedstock for power stations . Experts believe coal 's European revival will be shortlived .
U.S. shale gas boom having knock-on effect in Europe , despite EU environmental policies . Comment: US coal has displaced more expensive gas in Europe as feedstock for power stations . Experts believe coal 's European revival will be shortlived .