Siemens and the Vietnam Motors Industry Corporation (Vinamotor) are launching the first hybrid bus with a combined electric/diesel drive in Hanoi. The project is the first of its kind in Vietnam.
The vehicle uses the ELFA drive system developed by Siemens, in which the diesel engine does not drive the rear axle via an automatic transmission, as is usually the case. Instead, a generator is activated which supplies one or more propelling motors with electricity via power electronics. The buses consume up to 50 percent less fuel and reduce exhaust emissions by the same amount.’
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