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GWU team suggests C2CNT carbon nanotube composites could amplify reduction of GHG emissions

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Stuart Licht reports that the addition of carbon nanotubes (CNTs) produced from CO 2 by low-energy C2CNT (CO 2 to CNT) molten electrolysis ( earlier post ) to materials such as concrete or steel not only forms composites with significantly better properties, but amplifies the reduction of CO 2. A) Carbon mitigation with CNT-cement. (B)

Carbon 249
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BNEF report finds hydrogen promising decarbonization pathway, but carbon prices and emissions policies required

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The falling cost of making hydrogen from wind and solar power offers a promising route to cutting emissions in some of the most fossil-fuel-dependent sectors of the economy, such as steel, heavy-duty vehicles, shipping and cement, according to a new report from BloombergNEF (BNEF). Abatement cost with hydrogen at $1/kg (7.4/MMBtu).

Hydrogen 221
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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

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AQDSH 2 refers to the reduced form of AQDS. Wide-scale utilization of flow batteries is, however, limited by the abundance and cost of these materials, particularly those using redox-active metals and precious-metal electrocatalysts. Cell schematic. Discharge mode is shown; the arrows are reversed for electrolytic/charge mode.

Low Cost 374
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MITEI releases report on 3-year study of future mobility; technological innovation, policies, and behavioral changes all needed; “car pride” an issue

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In all scenarios, they used an enhanced version of the MIT Economic Projection and Policy Analysis (EPPA) model to explore changes in LDV fleet composition, fuel consumption, electricity production, CO 2 emissions, and macroeconomic impacts (including the cost of avoided CO 2 emissions). —William H.

Future 269
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Lloyd’s Register and UMAS release Zero Emission Vessels 2030 study

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All analyses are performed against a heavy fuel oil (HFO) reference ship. For those in shipping with niche access to a low-cost supply of zero-emission fuel or energy sources, or an ability to pass on a voyage cost premium to a supply chain that values zero-emission services, the gap may already be closed.

Emissions 150
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IDTechEx calculates ~31 GWh of electric vehicle markets beyond cars in 2021

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IDTechEx calculates that non-automotive EV sectors in 2021 demanded approximately 31 GWh globally in 2021; for reference, battery-electric and plug-in hybrid cars demanded approximately 280 GWh globally in 2021. Upcoming IMO policy includes an ‘Energy Efficiency Existing Ship Index (EEXI)’ and the Carbon Intensity Indicator (CII).

Market 150
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Study suggests that decarbonizing US transport sector by converting waste CO2 to fuels would require economical air-capture of CO2

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pre- and post- decarbonization of the electric power sector—to which he referred as pre-CCS and post-CCS, respectively (although decarbonization was not necessarily via CCS—carbon capture and storage).) 90%) or to “repower” using lower carbon feedstocks or generation technologies (e.g. their CO 2 (e.g. ~90%)