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NREL supports propane-to-electricity shuttle bus conversion at Zion National Park

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As the propane-powered fleet ages and associated maintenance costs rise, NPS is working with NREL to use this drive-cycle information to optimize the conversion of 14 of its propane buses to run on electricity. Each bus pulls a passenger trailer.

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Echo Automotive to extend plug-in hybrid conversion system to GM 2500 and 3500 vans

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The Chevrolet Express is second only to Ford E-Series vans in North American commercial fleet registrations, and trails only the E-Series and Dodge Caravan in government fleet registrations, according to the most recent statistics published by Business Fleet. EchoDrive currently is available for Ford E-Series vans. Click to enlarge.

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DOE awards ~$34M to 11 projects to advance waste and algae bioenergy technology

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The selected projects will: Research and develop waste for energy conversion ($20 million). Topic Area 1: Characterization of Municipal Solid Waste to Enable Production of Conversion-Ready Feedstocks. Cascadia Consulting Group. University of Maryland: College Park. North Carolina State University. AMP Robotics.

Waste 186
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ABTC inferred resources report finds Tonopah Flats may hold 15.8 million tons lithium carbonate equivalent

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The sample was homogenized by cone-and-quarter methods and pulverized to 100 mesh to obtain a statistically repetitive sample. Through this analysis an open-pit resource estimate was developed that would support a processing rate of at least 200,000 tons of claystone per day.

Carbon 259
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Researchers find ammonium concentration in PM2.5 leading to higher risk of death

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Conversely, an increase in nitrate (NO 3 - ) from 1% to 71% resulted in a reduced RR, from 1.0100 (95%CI: 1.0067-1.0133) to 1.0037 (95%CI: 0.9998- 1.0077). Advanced statistical methods were used to model specific health effects across multiple locations. components. —Dr Pierre Masselot, Research Fellow at LSHTM and study lead.

Pollution 318
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Argonne team releases 2018 GREET LCA model

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Among the major expansions and updates in the 2018 model set are: GREET 2018 continues to expand the GREET bioproduct module to assess environmental impacts of bio-derived chemicals produced from biochemical, biological, and thermochemical conversion technologies.

2018 207
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Flying declined substantially more than driving during the current pandemic

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The raw data for the analysis came from the Bureau of Transportation Statistics (revenue passenger miles flown on all scheduled domestic flights) and the Federal Highway Administration (vehicle miles traveled). Conversely, if the number of occupants has increased, the reduction in occupant distance traveled would be smaller than shown.