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Chevy Volt Delivers Novel Two-Motor, Four-Mode Extended Range Electric Drive System; Seamless Driver Experience Plus Efficiency

Green Car Congress

The Volt drive unit combines two motors and three clutches to deliver four distinct operating modes to maximize efficiency and provide a seamless driving experience. Mechanical losses such as friction and windage dictate that the efficiency of an electric motor declines somewhat as motor speed increases. Click to enlarge.

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BMW Motorrad showcases E-scooter

Green Car Congress

BMW Motorrad earlier developed an electric study vehicle, the C1-E, as a contribution to the European safety project eSUM. The steering head support is connected to it, as is the rear frame and the left-hand mounted single swing arm with directly hinged, horizontally installed shock absorber. Click to enlarge. Earlier post.).

BMW 277