Russia is working out methods for accepting payments for its gas exports in roubles and it will take decisions in due course should European countries refuse to pay in the Russian currency, the Kremlin said on Monday. -snip- The Russian central bank, the government and Gazprom , which accounts for 40% of European gas imports, should present their proposals for rouble gas payments to President Vladimir Putin by March 31. “We are not going to supply gas for free, this is clear,” Kremlin spokesman Dmitry Peskov told a conference call. “In our situation, this is hardly possible and appropriate to...