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The VK 45.01 (P), also informally known as Tiger (P) or Porsche Tiger, was a heavy tank prototype designed by Porsche in Germany. With a dual engine gasoline-electric drive that was complex and requiring significant amounts of copper, it lost out to its Henschel competitor on trials, it was not selected for mass production and the Henschel design was produced as the Tiger I. Most of the already produced chassis were rebuilt as Elefant Panzerjäger tank destroyers.
A diesel–electric transmission, or diesel–electric powertrain, is a transmission system powered by diesel engines for vehicles in road, rail, and marine transport. Diesel–electric transmission is similar to petrol–electric transmission, which is powered by petrol engines.
Diesel–electric transmission is used on railways by diesel–electric locomotives and diesel–electric multiple units, as electric motors are able to supply full torque from 0 RPM. Diesel–electric systems are also used in marine transport, including submarines, and on some other land vehicles.