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EIA: US energy-related CO2 dropped 2.7% in 2015; of end-use sectors, only transportation increased

Green Car Congress

According to a report from the US Energy Information Administration (EIA), US energy-related CO 2 emissions decreased by 146 million metric tons (MMmt) in 2015 to 5,259 MMmt, down 2.7% Energy-related CO 2 emissions in 2015 were about 12% below 2005 levels. —“US Energy-Related Carbon Dioxide Emissions, 2015”. Electricity.

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Audi aims to reduce CO2 emissions by 30% over the vehicle lifecycle by 2025

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Audi has set the goal of successively reducing vehicle-specific CO 2 emissions by 30% by 2025 compared with reference year 2015 and over the entire product lifecycle. In the long term, Audi is pursuing the vision of CO2-neutral mobility and aims to be climate-neutral throughout the company on balance by 2050.

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US and China jointly announce GHG reduction targets; US to cut net GHG 26-28% by 2025, China to peak CO2 by ~2030

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The Administration said the United States will submit its 2025 target to the Framework Convention on Climate Change as an “Intended Nationally Determined Contribution” no later than the first quarter of 2015. million cubic meters of freshwater per year.

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Heat Pumps—The Well-Tempered Future of A/Cs

Cars That Think

On longer timeframes, the refrigerant in your air conditioner will leak into the atmosphere where it, too, will absorb sunlight, possibly even more than CO2 2 , and heat the planet long after the blades of your air conditioner’s fan have stopped spinning. This year, the U.S. Still, in the U.S.,

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GWU team develops low-cost, high-yield one-pot synthesis of carbon nanofibers from atmospheric CO2

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The conversion of CO 2 → CCNF + O 2 can be driven by efficient solar, as well as conventional, energy at inexpensive steel or nickel electrodes. To power the syntheses, heat and electricity are produced through a hybrid and extremely efficient concentrating solar-energy system. —Stuart Licht. 5b02427.

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GWU team demonstrates one-pot process for optimized synthesis of controlled CNTs from CO2; coupling cement and C2CNT

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Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). This is a powerful economic incentive, rather than economic cost, to mitigate climate change through a carbon negative process.

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Technical brief: transportation overtaking electricity generation as the largest source of US CO2 emissions

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per year over 2007-2015 due to the displacement of coal by natural gas, wind and solar for power production as well as energy efficiency gains. Click to enlarge. Further, electric sector CO 2 emissions have dropped greatly in recent years, declining at an average rate of 2.8%