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NREL analysis of Proterra electric bus demo finds average fuel economy nearly 4x that of CNG baseline buses

Green Car Congress

Proterra battery-electric buses in service in a 12- vehicle demonstration by Foothill Transit in California offered significant fuel savings compared to similar conventional vehicles, according to a recently published analysis of the results of the demonstration by the National Renewable Energy Laboratory (NREL). miles per DGE.

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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. kW and about 27 kW at constant velocity of 65 mph.

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Chevrolet introduces 2013 Malibu ECO with eAssist

Green Car Congress

and six-speed transmission, the eAssist system uses power stored in the air-cooled, lithium-ion battery to provide needed electrical boost in various driving scenarios, optimizing engine and transmission operation. Providing up to 15 hp (11 kW) of electric power assistance during heavier acceleration. Along with the Ecotec 2.4L

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GM Europe Premieres Opel Ampera,Chevrolet Spark at Geneva Show

Green Car Congress

The Ampera is an extended range electric vehicle based on the Voltec technology used in the Chevrolet Volt. Equipped with a 16 kWh Li-ion battery pack, the five-door, four-seat hatchback has a battery-powered range of up to 60 km (37 miles) (MVEG cycle). The company also held the European premiere of the Cadillac SRX.

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An Extreme Real World EV Driving (Charging) Test

Clean Fleet Report

In Utah the posted limit is 80 mph and for many drivers that was only a suggestion. We set the cruise control to 72 mph when on the freeway. Electric vehicles are most efficient when driven in town to take advantage of the regenerative braking, or on the open road at slower speeds. The all-electric efficiency averaged about 3.0

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Advantage EV

Electric Auto Association

Driving electric can be a plus in cold weather. Here’s what two organizations— Resource-Media and Recurrent —had to say about the advantages of electric vehicles (EVs) in frigid weather. Newer EVs have larger battery capacities, allowing for longer ranges and protecting against performance losses.

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Perspective: A View Into the New GM

Green Car Congress

The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac. Click to enlarge.

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