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Rosneft and CNPC to form 51:49 JV for upstream projects in East Siberia

Green Car Congress

The field’s reserves placed in the State Reserve Register include C1+C2 oil and gas condensate reserves of more than 134 million tonnes and more than 155 billion cubic meters of gas. Oil production at the field started in October 2013.

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

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In this mode, the ring gear is held (locked) by clutch C1. Virtually all of the vehicle’s motive power is therefore delivered by the traction motor in this mode, including hard accelerations, using power supplied by the battery pack. Click to enlarge. Mode 1: Low-speed EV Propulsion (Engine Off). Click to enlarge.

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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

The drive unit contains two newly developed electric motor-generators for propelling the vehicle and other duties; power electronics to supply and control them; a system of gears, clutches, and hydraulic controls to combine and deliver the mechanical power from the motor-generators and the engine; and an electric oil pump.

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