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Virginia Tech professor proposes simple biomass-to-wheel efficiency analysis to inform decisions on biomass/biofuel/powertrain combinations; the advantage of sugar fuel cell vehicles

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However, notes Virginia Tech Prof. Because of the same input and output in all cases, an increase in energy conversion efficiency nearly equals impact reductions in carbon and water footprints on the environment. Energy Environ. 2, 272-282 doi: 10.1039/B818694D. PLoS ONE 2(5): e456. doi: 10.1371/journal.pone.0000456.

Virginia 246
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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The team used a MY 2007 Volvo MD11 engine compliant with USEPA 2007 emissions standards. The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Credit: ACS, Thiruvengadam et al. Click to enlarge. The study by Thiruvengadam et al.

Exhaust 218
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Enzymatic Process Converts Cellulosic Materials and Water into Hydrogen at Low Temperature; Close to Theoretical Yield of H2 From Glucose

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Researchers at Virginia Tech, Oak Ridge National Laboratory (ORNL), and the University of Georgia have produced hydrogen gas in a spontaneous, “one-pot” process using an enzyme cocktail, cellulosic materials from non-food sources, and water. Hydrogen production from cellodextrin and water by a synthetic enzymatic pathway.

Water 150
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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

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And yet clean diesel, one of the cleanest choices for putting the US on the road to energy independence, hasn’t see any sort of incentive since the Energy Independence and Security Act (EISA) of 2007. The survey is similar to surveys run by UMTRI on the same topic in 2006 and 2007. Are these sales incentivized? Click to enlarge.

Diesel 366
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Volkswagen AG agrees to plead guilty and pay $4.3B in criminal and civil penalties; 6 execs and employees indicted

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Jens Hadler: from May 2007 until March 2011, Hadler worked for VW as head of Engine Development for VW. Bernd Gottweis: from 2007 until October 2014, Gottweis worked for VW as a supervisor with responsibility for Quality Management and Product Safety.

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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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The SCOPE (Scientific Committee on Problems of the Environment) International Biofuels Project, has published the full proceedings of its Rapid Assessment workshop on the environmental effects of biofuel technologies, 22-25 September 2008. 2007) may not be robust. ” In 2007/08, 0.9% while noting that the analysis “.has

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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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CATS’ fleet and financial plans call for the replacement 1998, 1999 and 2007 year diesel buses with new diesel buses in fiscal year 2012. Arlington Transit – ART, Virginia: $1,500,000. These projects improve the working environment, conserve energy, reduce operating/maintenance costs and reduce GHG emissions for a ten-year lifecycle.

Emissions 256