(Bloomberg) -- Operations and marketing teams for a Texas pipeline company coordinated to sell gas at ever higher prices during a deadly winter storm in 2021, attorneys for the nation’s largest municipally owned electric and gas utility argued in a San Antonio courtroom. Another pipeline firm commanded an unusually large trading position during the deep freeze that drove up index prices used by the broader market, lawyers for CPS Energy said.Most Read from BloombergTesla Axes Supercharger Team i