Judge Affirms Prior Ruling, Says State’s Failure-To-Warn Claim In MTBE Case Fails

( November 12, 2025, 1:32 PM EST) -- NEW YORK — A federal judge in New York has granted a motion by gasoline companies to apply a prior summary judgment ruling to Pennsylvania’s claim for failure to warn in a long-running water contamination lawsuit related to methyl tertiary butyl ether (MTBE), holding that the failure-to-warn claim cannot proceed because the state offered no evidence that a failure to warn was a substantial cause of the contamination at issue....