ENERGY EFFICIENCY: Experts say government regulations are best way to save power Joshua Learn, E&E reporter Published: Wednesday, April 30, 2014 Federal and state mandates are the best way to increase energy efficiency, said experts speaking at a panel today. 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.