The European Commission has drafted plans to give more free emissions permits to industries over the next few years, a move that could save companies 4 billion euros ($4.68 billion) in CO2 costs, an internal EU document seen by Reuters showed on Monday. The EU's carbon market is the bloc's main tool for addressing CO2 emissions, which it does by forcing industries to buy CO2 emissions permits when they pollute. The scheme has come under growing political pressure from member states worried about Europe's faltering economic competitiveness, while some heavy industries have urged Brussels to give them more free CO2...