Photo Courtesy of Chrysler Group LLC The Ram 1500 gets a mild exterior redesign for 2013, but under the hood it carries new hardware that promises fuel efficiency. Related Links: Test Drive: 2012 Ram Tradesman 1500 More ENR Equipment News PickupTrucks.com Chrysler started out performing a mild refresh of the Ram 1500, but its engineers got carried away and have packed the 2013 truck with features never seen on a light-duty pickup."We changed every area of the truck, from a newly designed frame with air suspension to a new eight-speed transmission [and] a new interior," says Fred Diaz, Ram president
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.