State utility regulators Thursday approved CenterPoint Energy’s proposal to create a Minnesota supply system for renewable natural gas, a fuel created from manure, food waste and other organic detritus.¬†CenterPoint’s plan allows prospective renewable natural gas producers to interconnect with its distribution network…Houston-based CenterPoint, Minnesota’s largest natural gas utility, said the renewable supply system would not impact customer’s rates. Renewable gas producers will pay to connect to the utility’s pipelines. Eventually, CenterPoint plans to ask the PUC to sell RNG to customers. More >>