The PX-MiEV parallel plug-in hybrid concept featured a 114-hp 1.6L four-cylinder engine with 92 lb-ft of torque augmented by two electric motors which do most of the work. In most cases, the electric motor mounted on the front axle drives the front wheels, but when more power is needed, the gasoline engine kicks on to help. Under heavy loads, heavy acceleration or emergency maneuvers, another electric motor at the rear axle also kicks in to provide power and help stabilize the vehicle. When the gasoline engine isn’t needed, it either switches off or acts as a generator to recharge the battery or power the electric motors, whichever is most efficient at the moment. Each electric motor generates 60 hp and 148 lb-ft of torque, according to Mitsubishi.
At the time, Mitsubishi said the PX-MiEV could be charged from a standard 110-volt wall socket, a 200-volt socket or a special high-voltage quick-charger, and could also act as a giant battery and power a household appliance to cut home energy costs or act as a generator to provide electricity during an outage
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