EUbusiness: Poland has rejected an EU proposal for its coal-fired power stations to be temporarily exempted from buying all their greenhouse gas permits, a move aimed at averting a Polish veto of the bloc’s climate package, a senior Polish official said Wednesday. “We have received a proposal from the French presidency and we understand this as a first step in negotiations,” Mikolaj Dowgielewicz, Secretary of State for European Affairs told AFP. “The proposed measures open the door to the …