CORRECTED (OFFICIAL)-Cheap oil undercuts U.S. rail, bus service -study
August 23, 2017 at 17:01 PM EDT
DETROIT, Aug 23 (Reuters) - Cheap gasoline is squeezing U.S. bus companies and the Amtrak passenger rail system that bet more consumers would embrace alternatives to driving for trips shorter than 400 miles, a study by researchers at DePaul University concluded.