The price cap has been a “terrible public policy failure” which has driven up bills for customers, Good Energy chief executive Nigel Pocklington has warned. Pocklington was speaking with City A.M. following Good Energy’s latest half-year results published this morning, which included a 168 percent boost in pre-tax profit for the first six months of the year. After its £32.7m intake, he told City A.M. that the price cap’s continued existence in the retail market exposed the lack of urgency in government’s…