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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. Knittel, 2009. Knittel, 2009. Knittel, 2009. Click to enlarge. Knittel, Christopher R.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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These tests resulted in the combined 115% freight efficiency improvement over a 2009 baseline truck. The Freightliner SuperTruck uses a downsized and downsped 10.7-liter SuperTruck is supported by the US DOE under the American Recovery and Reinvestment Act of 2009. Fleet: Schneider, Walmart. mpg (19.26 Click to enlarge.

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Chrysler Disbands ENVI Electric Vehicle Group; Function Absorbed into Traditional Line Organization

Green Car Congress

At the North American International Auto Show in January 2009, Chrysler had introduced two new EV concepts and updates on three earlier EV concepts developed by the ENVI group. In April 2009, Chrysler unveiled four all-electric Chrysler Town & Country minivan concepts to the US Postal Service (USPS) in Washington, DC.

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Hyundai completes development of 3rd generation fuel cell vehicle; targeting mass production in 2015

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Overall volume of the fuel cell system was downsized by 20% compared to the previous system via modularization of bulky parts in the fuel cell system including fuel cell stack, balance of plant (BOP), inverter and high voltage junction box. Hyundai hydrogen vehicles have so far registered more than 2 million kilometers.

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Industry survey finds aluminum use in autos at all-time high; average per vehicle use expected to more than double from 2012 by 2025

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The survey shows continued growth in automaker’s overall use of aluminum reaching a high of 343 lbs (156 kg) per vehicle in 2012—up 5% from 327 lbs (148 kg) in 2009. Using aluminum will extend the efficiencies of other technologies, while enabling secondary cost-savings from downsized powertrains without sacrificing performance.

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

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As part of its program, EPA is establishing a system of averaging, banking, and trading (ABT) of credits, based on a manufacturer’s fleet average CO 2 performance. Each manufacturer will have its own fleet-wide standard which reflects the vehicles it chooses it produce. mpg if all improvements came from fuel economy) and 34.1

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Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

Green Car Congress

Many improvements in fleet fuel economy in Europe have been achieved through increased diesel market share, with the diesel market share in Europe now above 50%. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. Differentiated Analysis of Downsizing Concepts”). John Kirwan.

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