Lawmakers and American car manufacturers are mounting a last-ditch effort to move legislation setting up an initial regulatory framework for self-driving vehicles to President Trump before the end of the year.

While a bill from Senate Commerce Chairman John Thune of South Dakota and Sen. Gary Peters, D-Mich., is stalled in the chamber amid opposition from several Democrats and trial attorneys, progress during recent talks may soon yield an updated version, people familiar with the matter told the Washington Examiner.