Phillips Energy, Inc., of Gloucester Point, which provides propane to the fleet of school buses in Newport News, is cited for its work in a recent study by Blue Bird and Roush CleanTech. The study, found on Blue Bird’s corporate website, relates how Newport News has saved more than $2 million in fuel and parts expenses since the large school system switched from diesel to propane-fueled buses in 2017. Phillips, the system’s propane supplier, got a special note for its efforts to find refueling sites when the city’s school buses were used in long-distance trips....