Ram Trucks has added a pretty cool feature to 2013 and 2014 Ram 2500 and 3500s: a swing gate that allows cool, fresh, air to be drawn in through the grille and into the engine called Ram Active Air.

Over the last five years, Ram not only completely changed its identity, creating entirely new Ram Truck and Ram Commercial brands, but it has revamped its entire half-ton and heavy-duty lineup. Add to ...