By Vera Eckert and Francesca Landini FRANKFURT/MILAN (Reuters) – Europe’s biggest Russian gas buyers raced to find alternative fuel supplies on Monday and could burn more coal to cope with reduced gas flows from Russia that threaten an energy crisis in winter if stores are not refilled. Germany, Italy, Austria and the Netherlands have all signalled that coal-fired power plants could help see the continent through a crisis that has sent gas prices surging and added to the challenge facing policymakers battling inflation. The Dutch government said on Monday it would remove a cap on production at…