Fleet managers and professional contractors have a variety of choices when its time to replace their aging vehicles. Until recently, the Ford Transit Connect Electric utility van was not among them. Photo: Thom Blackett For ENR The Transit Connect Electric will cost some greenbacks for firms wanting to go green. Its base price is $57,400—before adding in a charging station and taking out tax incentives. Photo: Courtesy of Ford Motor Co. Developed by Ford and Azure Dynamics, the plug-in electric van promises zero emissions and lower operating costs, points being evaluated by early adopters including AT&T, the New York Power
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.