For any contractor who has ever grumbled about the shortcomings of their Ford E-Series or Chevrolet Express cargo van, the 2012 Nissan NV is welcome news. Photo: Alan Rider for ENR With its new NV commercial van, Nissan has updated the decades-old silhouette of the Ford Econoline and the Chevy Express. Photo: Alan Rider for ENR What all those aggravated work-van owners may not realize, however, is that they’re not alone in their frustration with the status quo, says Mike Hobson, Nissan’s director of commercial vehicles. “Our research showed this segment had one of the lowest levels of owner satisfaction
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.