ROME (Reuters) – Italian lawmakers are urging the government to impose a one-off levy on banks’ energy trading profits in the same way Rome is targeting increased earnings of energy companies, according to parliamentary documents seen by Reuters. Prime Minister Mario Draghi has budgeted more than 30 billion euros ($32 billion) since January to help firms and households faced with sky-high electricity, gas and petrol costs, as the war in Ukraine overshadows the growth prospects of the euro zone’s third largest economy. Almost 11 billion euros are to come from a 25% windfall tax on energy groups…