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Hydrogen Opposed Piston Engine Working Group formed

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—James Turner, Professor of Mechanical Engineering, Clean Combustion Research Center, King Abdullah University of Science and Technology (KAUST). Achates Power prefers compression ignition in its OP engines because it enables combustion in the middle of the combustion chamber for clean, efficient combustion and minimal heat loss.

Hydrogen 353
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Chemrec CEO Urges Serious Consideration for DME at Low-Carbon Biofuel for North America

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Earlier studies by Volvo and others have shown that DME made from the Chemrec black liquor gasification process is, of all other tested biofuels, the highest in energy and land use efficiency (it uses non-food feedstocks) while being the lowest in green house gas emissions and overall clean combustion.

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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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NO 2 is just one component of air pollution, which is made up of many pollutants (including particulate matter, ozone, carbon monoxide), which are known to have numerous adverse effects on health. NO 2 is a pollutant formed mainly from fossil fuel combustion, and traffic emissions can contribute up to 80% of ambient NO 2 in cities.

Pollution 360
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Waste Management piloting Rotopress collection trailers in North America; natural gas tractors

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The Rotopress design offers the facility of collecting a far higher payload more per round than conventional compaction-plate vehicles, and because of the design also features a self-cleaning drum (reverse the screw to empty). Milwaukee, Wis. million metric tons of carbon dioxide by 2020. Sacramento, Calif., and Camden, N.J.

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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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North Park Electrification - Electric Power Delivery System for Outdoor Bus Parking: Construct electrified stalls that will deliver electrical power for up to 80 vehicles and provide services such as heating and air-conditioning to vehicles that would otherwise be left idling during overnight cleaning and prior to morning pullout.

Emissions 256
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Lifecycle study finds that environmental impacts of silicon-anode Li-ion battery could be roughly comparable with conventional Li-ion battery

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For the study, the UW-Milwaukee team selected the metal-assisted chemical etching method for the SiNW synthesis due to its simplicity, low cost, and scalable advantages. Credit: ACS, Li et al. Click to enlarge. —Li et al.

Li-ion 265