Has British Gas conjured up a magic solution to energy bills? | Nils Pratley

Talk of an energy price cap has spurred the big six into action, but Centrica’s ban on pricey tariffs looks cosmeticIt’s amazing what can happen when the government threatens to impose a price cap on energy bills. Suddenly the big six suppliers, who have spent the three decades since privatisation wedded to their poor-value standard variable tariffs, or SVTs, become a whirr of activity. Centrica, parent of British Gas, is the third to declare it will abolish SVTs.Iain Conn, the Centr