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Study: no one knows which city has the highest concentration of PM2.5

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is the leading global environmental risk factor for mortality and disease burden, with associated annual global welfare costs of trillions of dollars, However, no one knows what city has the highest level of the pollution. Exposure to ambient PM 2.5 Progress in advancing knowledge about the global distribution of PM 2.5 —Martin et al.

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International automotive researchers emphasize the importance of continued development of the internal combustion engine

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It is very likely that highly efficient “fully flexible” engines with hybridized solutions will be a big part of sought-after efficiency improvements, as well as emission/GHG reductions. Finally, it must be acknowledged that, in practice, people select their choice of powertrain based on numerous factors, including cost. Reitz et al.

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Westport enters consortium agreement with EMD to develop natural gas fuel system for rail locomotives

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According to the United Nations Statistics Division, railroads around the world burn 9 billion gallons of diesel fuel annually, largely in the transportation of freight. The use of natural gas reduces greenhouse gas (GHG) emissions by up to 27%. In February, Westport secured a funding commitment of C$2.3 Earlier post.).

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DOE releases SBIR/STTR FY16 Phase 1 Release 2 topics; hydrogen, electric vehicles, more efficient combustion engines; biogas-to-fuels

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The first hydrogen TTO is focused on durable, high activity electrocatalyst with low platinum content and low cost for polymer electrolyte membrane fuel cell applications. Conventional polymer electrolyte membrane (PEM) fuel cell technology requires high content of platinum electrocatalyst, which raises manufacturing costs.

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Cooper and Ricardo Unveil 2-Cylinder Engine Family for World Markets

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They meet both the current automotive Bharat IV emissions regulations (Euro IV equivalent) as well as being capable of upgrade to meet even tougher future standards. Performance and emissions were optimized using Ricardo’s WAVE engine performance and gas dynamics simulation software.

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32.5M hours of supercomputer time to aid GM, Ford engine projects with Oak Ridge Lab

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This flexibility offers a high degree of freedom for design and engine manufacturers need to balance the cost of hardware testing with turn-around time and practicality for mass production. Multi-hole sprays offer the flexibility of manufacturing the nozzle holes at various orientations to engineer a variety of spray patterns. Knight (ANL).

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Study finds wide range in GHG intensities and production costs of cellulosic ethanol from corn stover, switchgrass and miscanthus

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Scatter plot of production cost of cellulosic ethanol and percentage GHG savings relative to energy equivalent gasoline over simulation period. Production cost of ethanol is annualized over the simulation period. Average parameter values are used for determining production costs. Credit: ACS, Dwivedi et al. Click to enlarge.

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