(April 20, 2016, 12:55 PM EDT) -- NEW YORK — A federal judge in New York on April 15 vacated her previous ruling and reinstated defendants in a groundwater contamination lawsuit related to the gasoline additive methyl tertiary butyl ether (MTBE), concluding that new evidence indicates that the District Court has jurisdiction over claims brought by the Commonwealth of Puerto Rico (In re: Methyl Tertiary Butyl Ether [MTBE] Products Liability Litigation, MDL 1358, Commonwealth of Puerto Rico v. Shell Oil Co., et al., Nos. 07-10470, 14-1014, S.D. N.Y.)....