New Efficiency Rules Expected for HD Trucks by 2016 By Luke Vandezande Feb 18 2014 Share this Article Tweet President Barack Obama will outline a timetable today to introduce new fuel efficiency standards in medium- and heavy-duty vehicles. Continue Reading... Filed under: Featured ArticlesTags: epa, fuel efficiency, heavy duty, medium duty, NHTSA, obama, president obama, standards, Trucks, vehicles, white house