EUAs gain amid increasing economic confidence Airlines step up fight for extra allocation Poland confident of EUA giveway Estonia to sell AAUs to Spain and Japanese bank NZUs trade in tight range Vattenfall’s thermal power output up 27% Chinese city seeks to join pilot ETS China eyes 50% efficiency boost for buildings US Senate lacks votes to pass RES: Reid RGGI to get a liquidity boost from WCI linkage Carbon firms on power gains Chinese renewable projects in EB spotlight UK must favour nuclear: industry Polish industry to face $25bn carbon cost: report Green group says sorry for vandalism at Bonn talks Camco to benefit from burning HFC 23