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Michigan State researchers propose SI-HCCI transition strategy for HCCI-capable SI engine

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It is fairly challenging to achieve a smooth mode transition between spark ignition combustion and for a spark ignition engine capable of homogeneous charge compression ignition, because their in-cylinder thermal and charge mixture properties are quite different owing to the distinct combustion characteristics. —Zhang et al.

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UGA/NCSU team engineers hyperthermophilic bacterium to produce industrial chemical building blocks from CO2 and H2; ARPA-E project

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Researchers at the University of Georgia and North Carolina State University have used a unique temperature-dependent approach in engineering a hyperthermophilic archaeon, Pyrococcus furiosus to be able to use CO 2 and hydrogen to produce 3-hydroxypropionic acid, one of the top 12 industrial chemical building blocks. Adams (2013).

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GM CEO outlines highlights of fuel economy plan through MY2016: lightweighting; more efficient gasoline and clean diesel engines, electrification

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Within his talk about the need for a US energy policy at the IHS CERAWeek 2013 energy conference in Houston, GM Chairman and CEO Dan Akerson outlined some highlights of the company’s fuel economy plan through the 2016 model year. More efficient gasoline engines. Natural gas as a vehicle fuel. Clean diesel. Earlier post.).

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We Need to Decarbonize Software

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s climate-change conference, to discuss the urgent need to lower emissions. While software on its own doesn’t release any emissions, it runs on hardware in data centers and steers data through transmission networks, which account for about 1 percent of energy-related greenhouse gas emissions each. What Is Green Software Engineering?

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BMW bringing 4-cylinder gasoline engines back to the US; more diesels to come

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For the first time in more than a decade, BMW will once again offer a four-cylinder engine in the United States, said Jim O’Donnell, president BMW North America, in remarks at the Washington DC Auto Show. We know there is still great potential for the continuing development of the internal combustion engine. Click to enlarge.

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GM adds 3 acres of solar arrays in Michigan

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The company’s processing center in Swartz Creek and engine plant in Flint will feature 150 kW ground-mount solar arrays expected to generate a combined 400,000 kWh of renewable energy per year to the facilities’ grids. General Motors is increasing its renewable energy use with 3 acres of new solar arrays at two Michigan facilities.

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MIT professor pursuing direct sulfide electrolysis for copper production

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F) and yields pure liquid copper and elemental sulfur gas. They are dependent on electricity already to exist. My approach asks, why don’t we try to do 100 percent electrical, starting from the concentrate and ending with the metal product, if I can use electricity to be more efficient as well as more environmentally friendly?

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