Energy Transfer has not yet been charged, but it is already moving to head off a criminal case over the monthslong jet fuel leak into a neighborhood’s drinking water source.By Marianne LavelleEnergy Transfer, the Dallas-based pipeline giant facing a state-level criminal probe related to a jet fuel spill that polluted drinking water in a suburban Philadelphia neighborhood, is seeking to have part of Pennsylvania’s 89-year-old Clean Streams Law declared unconstitutional.