Mercedes B-Class E-Cell Plus extended-range EV concept

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Concept B-Class E-CELL PLUS -- a compact model that meets all the needs of daily motoring with a total range of up to 600 kilometres. As such, this electric vehicle is also ideally suited to long journeys and offers its driver unrestricted mobility. This is made possible by the combination of a powerful electric drive generating a peak power output of 100 kW and a continuous output of 70 KW with a 50 kW petrol engine. The latter performs a dual role: at low vehicle speeds it charges the battery via a generator. At higher speeds -- on prolonged motorway stretches, for example -- it additionally serves as a driving engine, acting on the front wheels together with the electric motor via a newly developed automatic transmission. http://goo.gl/ek8Dj