2012 HD Ram

Does the 2012 with the 6.7L Cummins turbo diesel w/out SCR and all-new 6-speed AT have what it takes to take on the class leaders in terms of fuel economy? 2011 Ram Power Wagon at play - The 2012 receives a whole slew of upgrades. In the never ending ?HD Truck Wars?, outputs continue their climb as does the fuel economy for the beasts!