Ford Motor Co. is the only Big Three manufacturer that currently does not offer a six-cylinder engine in a full-size pickup. For next year’s F-150, however, Ford will reintroduce a V-6 as its base-level engine; to show it is really serious about V-6 power, the company will also offer a twin-turbocharged EcoBoost engine that claims to have the capability of a V-8 with the fuel economy of a V-6. Does this sound too good to be true? As with any engineering exercise, performing multiple feats becomes a balancing act. We discovered as much during a Ford-sponsored test drive this month
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.