European Union countries are pushing for guarantees that they can keep their own windfall profit levies on energy companies, and retain the option to impose even tougher measures, alongside bloc-wide measures proposed by Brussels. The EU's 27 countries are negotiating emergency proposals put forward by the bloc's executive last week. The aim is for energy ministers to approve a deal at a Sept. 30 meeting. The countries' latest compromise proposal, seen by Reuters on Friday, would not require states to apply the EU's proposed windfall profit levy on fossil fuel firms, if they already have "equivalent" national ... (full story)