TRANSPORTATION: Proposed gas tax increase provokes immediate opposition Sean Reilly, E&E reporter Published: Wednesday, June 18, 2014 Two influential conservative groups quickly lined up against a bipartisan plan unveiled today to hike the federal gas tax. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.