Philip Rinaldi, the retired chief executive of Philadelphia Energy Solutions (PES), on Wednesday announced he is formally bidding to buy and restart the bankrupt South Philadelphia refinery complex that abruptly shut down in June after a fire and explosion…Rinaldi’s new company, Philadelphia Energy Industries (PEI), would restart the refinery as a conventional fuel-manufacturing facility. But it has also entered into a cooperation agreement with ABC member RNG Energy Solutions, a company that announced plans last year to build a $120 million digester that can convert more than 1,100 tons of food waste a day into renewable methane gas. In addition to producing renewable natural gas from food scraps, RNG Energy intends to develop More>>