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

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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. The researchers collected simulated rides provided by three fleets: gasoline-powered, and electric-powered with either 40 kWh or 60 kWh battery packs.

Fleet 195
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MIT, Ford researchers find lightweight conventional vehicles could have lower lifecycle GHG impact than EVs depending upon location

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It showed that while electric vehicles provide the greatest impact in reducing greenhouse gas emissions for most of the country, especially on both coasts and in the south, significant parts of the Midwest had the opposite result, with lightweight gasoline-powered vehicles achieving a greater reduction. Di Wu, Fengdi Guo, Frank R.

MIT 236
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Perspective: Drive Star Conversion Program Could Cut US Oil Use in Half by 2020

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Cash for Conversions” will start by fixing many of our 100 million trucks, vans, and buses. Pioneering companies now have designs to turn gasoline- and diesel-powered vehicles into all-electrics or plug-in hybrids, depending on how they’re built and the range their drivers need. They now gulp down one third of the oil we use.

Oil 252
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U. Mich study: natural-gas-based ICE, BEV and FCV all show promise for environmental benefits relative to conventional ICE

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Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., The FCV has an overall energy conversion efficiency about 30%. Their study appears in the ACS journal Energy & Fuels. … particulate matter formation (PMF). terrestrial acidification (TA).

Gas 218
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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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Novel Biological Conversion of Hydrogen and Carbon Dioxide Directly into Biodiesel. Johnson Matthey will investigate the catalytic conversion of this microbial biodiesel into additional fuel molecules, most importantly jet fuel. Hydrogen-Dependent Conversion of Carbon Dioxide To Liquid Electrofuels By Extremely Thermophilic Archaea.

Carbon 249
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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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The project includes quick-charging stations at this terminal layover in route to recharge bus batteries. Grid sourced electrical energy used to recharge the bus batteries will be augmented with solar energy collected with panels procured and installed under this project. Flint Mass Transportation Authority, Michigan: $2,200,000.

Emissions 256
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US DOE Awards $300 Million in Clean Cities Grants to Support Alternative Fuels, Vehicles, and Infrastructure Development

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The program includes the installation of 10 alternative fuel refueling sites (two B20, one Electric Recharging, and seven CNG). Clean Energy Coalition’s CEC Michigan Green Fleets Initiative. The project will increase the use of natural gas, electric and hybrid electric vehicles in 13 sites throughout Michigan.