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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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Argonne study identifying fuel consumption penalties for CNG use in conventional light-duty vehicles; optimization pathways

Green Car Congress

Light-duty vehicle fuel economy penalties for CNG in conventional engines, with and without scaling for performance equivalence. the CNG-fueled engine has lower performance) and up to a 12% fuel consumption penalty when the engine is resized (i.e., “up-sizing”) seconds for gasoline. mpg for the gasoline baseline.

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Gov’t, industry, national labs collaborate on comprehensive cradle-to-grave LCA study and economic assessment of LDV GHG reductions

Green Car Congress

Numerous LCA tools have been used to evaluate the GHG emissions associated with various vehicle-fuel technologies, including fossil fuels, biofuels, hydrogen fuel cell electric vehicles (FCEVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVS), and battery electric vehicles (BEVs).

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US DRIVE releases comprehensive cradle-to-grave analysis of light-duty vehicle GHGs, cost of driving and cost of avoided GHGs

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Co-authors are from Argonne National Laboratory; the US Department of Energy’s Vehicle Technologies, Fuel Cell Technologies, and Bioenergy Technologies Offices; the National Renewable Energy Laboratory; the Electric Power Research Institute; Fiat Chrysler Automobiles; General Motors; Chevron; and Ford.

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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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Toyota unveils new TNGA-based engines and transmissions and improved hybrid systems; deployment begins in 2017

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The new powertrain units provide approximately 10% better power performance (in terms of the time needed for a gasoline-powered vehicle to accelerate from 0-60 mph and for a hybrid vehicle to accelerate from 25-43.5 mph) and approximately 20% better fuel economy. Dynamic Force Engines. THS II for 2.5-liter

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Hyundai to begin production of ix35 Fuel Cell vehicle in December; targeting 1,000 units by 2015

Green Car Congress

Beyond 2015, Hyundai plans limited mass production of the ix35 Fuel Cell, with a goal of 10,000 units; Hyundai will also introduce the vehicle in Korea and California. ix35 fuel cell powertrain layout. The fuel economy and range of the ix35 Fuel Cell have improved by 10% over the previous-generation model.

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