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Sandia progressing to demo stage with supercritical CO2 Brayton-cycle turbines; up to 50% increase in efficiency of thermal-to-electric conversion

Green Car Congress

MPa enable the system to operate with very high thermal efficiency, exceeding even those of a large coal-generated power plant and nearly twice as efficient as that of a gasoline engine (about 25%). The supercritical properties of carbon dioxide at temperatures above 500 °C and pressures above 7.6 site of contractor Barber Nichols Inc.,

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Obama Administration launches series of actions to accelerate EV adoption; inc. $4.5B in loan guarantees, pursuing 350 kW fast charge

Green Car Congress

Promote electric vehicle adoption by increasing access to charging infrastructure and supporting the development of plug-in electric vehicles that are as accessible, available, and convenient as gasoline-powered vehicles. General Motors. Tesla Motors, Inc. Duke Energy. Edison Electric Institute. Eversource Energy. Georgia Power.

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A closer look at why heat pumps are dominating EV HVAC systems

Charged EVs

In an EV, while using the HVAC won’t detract from the maximum output of the traction motor, it does still demand energy from the battery, so there will be a hit to range. Reality is never quite as ideal as theory predicts, but it is nonetheless true that COP for a heat pump is always higher when viewed from the hot side, rather than the cold.

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Audi takes one-two win at Le Mans with its diesel hybrids, Toyota third; 13th success for Audi in 16 runs

Green Car Congress

liter V-8 gasoline engine. Toyota Racing is using an Aisin AW motor-generator on the front axle added to complement the Denso unit on the rear. During acceleration, the motor/generator reverses its function, acting as a motor to deliver a 480PS power boost. liter V-4 gasoline engine that is compact and lightweight.

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