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on video How a Diesel-Electric Locomotive Works



 Diesel engines are used in many types of vehicles, including locomotives. Diesel engines have a fuel efficiency 20 percent greater thermally than a gas engine. This means a 20 percent increase in fuel economy and therefore lower operating costs than those of a gas engine. Diesel engines also last longer than gas engines because they run at a much slower rpm (revolutions per minute) rate than gas engines do.

The hybrid diesel locomotive is an incredible display of power and ingenuity. It combines some great mechanical technology, including a huge, 12- to 16-cylinder, two-stroke diesel engine, with some heavy-duty electric motors and generators, throwing in a little bit of computer technology for good measure.


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