For the fifth year in a row, Hino ranks highest in customer satisfaction for medium-duty trucks. Related Links: Truck Quality Suffers From Cleaner Diesels Read the J.D. Power Study Professionals using Class 5-7 work trucks are finding increased reliability from their engine and fuel systems, according to a new survey from J.D. Power and Associates. However, when breakdowns occur, they are more prolonged than before.Compared to other diesel emission controls, selective-catalytic reduction technology, which injects urea into the exhaust stream to neutralize tailpipe pollution, is preferred among these truck owners, the study notes. Overall
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.