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Originally Posted by redpoint5
Series hybrid might be the way to go with trucking, just as is done on trains.
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Most of those giant dump trucks used on mining sites also rely on serial hybrid powerplants.
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Next question then is at what weight or driving cycle is a series design better than parallel?
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Sure the weight difference between a serial hybrid setup and a more conventional driveline, which could be fitted to either a non-hybrid or a parallel hybrid, is also significant. Once a scaled-down ICE, generator, battery pack, wiring and direct-drive electric motor become lighter in weight than a large engine, transmission and driveshaft (some big-rig engines are really heavy), just like it's the case for those mining field trucks, efficiency tends to increase.