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Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

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Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Lead author Aniruddh Mohan and colleagues wanted to develop a method that evaluated the life-cycle costs and benefits for two battery-powered ridesource fleets and a gasoline-powered one.

Fleet 195
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U Mich, Ford lifecycle study of carbon footprint of last-mile and final-50-feet delivery with automated vehicles and robots

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Now, researchers from the University of Michigan and Ford report in an open-access paper in ACS’ Environmental Science & Technology that automating residential package transport doesn’t influence the greenhouse gas footprint as much as the delivery van’s size and type. Use of warehouse is not included. Luyao Li, Xiaoyi He, Gregory A.

Miles 221
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Ford Selects Compact Power to Supply Li-ion Battery Pack for Ford Focus Electric On Sale in US in 2011

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(CPI), a wholly owned subsidiary of LG Chem, as the supplier of lithium-ion battery packs for the 2011 Ford Focus Electric for the US market. CPI/LG Chem are also supplying the battery packs for the Chevrolet Volt. Focus Electric will have a targeted range of up to 100 miles per full charge with zero tailpipe emissions.

Ford 218
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Perspective: Shoddy Environmental BookkeepingBiofuels and Indirect Land Use Change

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Perspective by Professor Bruce Dale, Michigan State University. Until early last year, it was widely accepted that biofuels such as ethanol significantly reduce total greenhouse gas (GHG) emissions compared to gasoline. Let’s say an automaker makes more battery-powered electric vehicles, thus using more nickel for the batteries.

Congress 186
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Ford unveils C-MAX Energi, its first production plug-in hybrid, and another hybrid variant

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On the heels officially introducing the Focus Electric last week ( earlier post ), Ford revealed two next-generation hybrids—including its first production plug-in hybrid (PHEV)—at the North American International Auto Show in Detroit. This allows it to run in electric mode before using the gasoline engine.

Plug-in 231
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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

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Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. The question of electricity costs vs. health and environmental cost is important to ask everywhere, Michalek said. Credit: ACS, Weis et al.

Charging 150
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US DOT Awards $100M in Recovery Act Funds to 43 Transit Projects to Reduce Energy Consumption and Greenhouse Gas Emissions

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Stationary Fuel Cells and Hybrid Transit Buses Incremental Costs: The purchase of diesel-electric hybrid transit buses and stationary fuel cells for use in the statewide bus system in Connecticut. Composite body electric buses: Replace conventional diesel transit buses with 35-ft composite body electric transit buses.

Emissions 256