Acela! It is Americas fastest train, and one of its most successful. Operating over Amtraks electrified Northeast Corridor between Boston, New York City, Philadelphia, and Washington, D. C., at speeds up to 150 mph, the Acela carries more than 3 million passengers a year.Amtraks Acela high-speed trains, built by Bombardier and introduced to service in 2000, are powered by two stylish but burly (to meet U. S. crash standards) electric power cars, each weighing 200,000 pounds, delivering 6,169 horsepower, and equipped with advanced A. C. traction.  Between the two power cars, the standard Acela consist is six cars, five coaches (one configured for first class and four as business class) and a mid-train café car. The coaches of the Acela, but not its power cars, are equipped for tilt operations. Now a decade-and-a-half into their service careers, Amtraks 20 stylish Acela train sets continue to set the standard for both speed and comfort on the busy Northeast Corridor and typically car