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Report finds says “negative emissions technologies” need to play a large role in mitigating climate change

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To achieve goals for climate and economic growth, “negative emissions technologies” (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change, according to a new report from the National Academies of Sciences, Engineering, and Medicine.

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Study Finds Availability of Low-CO2 Electricity and Hydrogen May Paradoxically Delay Large-Scale Transition to Electric and/or Hydrogen Vehicle Fleet

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In both electric- and hydrogen-favoring cases, availability of low-carbon electricity and hydrogen prolonged the use of petroleum-fueled ICE vehicles. For example, the study found that the availability of carbon capture and storage (CCS) technology has a major impact on the lowest cost passenger vehicle fuel and technology choice.

Hydrogen 236
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MIT/RAND Study Concludes Three Types of Alternative Jet Fuel May Be Available in Commercial Quantities Over the Next Decade

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The focus of the work was on alternative jet fuels that could be available commercially in the next decade using primarily North American resources. Production of commercial quantities of HRJ depends on the availability of appropriate feedstocks at competitive prices.

MIT 250
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IEEE Discusses 6 Simple Solutions to Climate Change at COP27

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Simple, effective solutions that can help lessen the impact of climate change already exist. The IEEE Life Fellow spoke during a session addressing the role of technology in delivering an equitable, sustainable, and low-carbon resilient world. One type is the ultrasupercritical coal-fired steam power plant.

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GWU team develops cost-effective solar process to produce lime for cement without CO2 emission

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and the remainder (30 to 40%) from burning fossil fuels, such as coal, to heat the kiln reactors to ~900°C.Here we show a new thermal chemistry, based on anomalies in oxide solubilites, to generate CaO, without CO2 emission, in a high throughput, cost effective, environment conducive to the formation of cement. —Licht et al.

Solar 285
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Separate MIT, IEA reports both outline major expansion in role of natural gas; caution on climate benefits

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The new report, part of the World Energy Outlook (WEO) 2011 series, examines the key factors that could result in a more prominent role for natural gas in the global energy mix, and the implications for other fuels, energy security and climate change. World primary energy demand by fuel in the IEA high gas scenario. Source: IEA.

MIT 210
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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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. … This research article focuses on a highly favored route to the synthesis of controlled nanostructures at high rate, high yield, and low cost by molten carbonate electrolysis. Pulverized coal is often used as the flame fuel, and fuel is also added to heat and drive the calciner and preheaters. —Licht (2017).

CO2 150