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4. Embedded projects
4.1 Dual-mode equipment
4.1.1 Compagnie du Midi self-propelled engines
The concept of dual-mode machines, with thermal or electric traction, is an old one. Starting with a diesel-electric engine, which already has electric motors for traction power, it's easy enough to add electric power collection equipment. As early as 1936, Compagnie du Midi commissioned Alsthom (Tarbes) and Soulé (Bagnères-de-Bigorre) to build two "amphibious" railcars, powered by 1,500 V direct current, or by a diesel-electric generator (figure...
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Bibliography
Websites
Fuel energy density http://en.wikipedia.org/wiki/File:Energy_density.svg
Fuel cells http://fr.wikipedia.org/wiki/Pile_à_combustible
Hybrid locomotive from JR Freight class HD 300...
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