Green Car Congress

JANUARY 30, 2014

Researchers at the University of Delaware have developed a highly selective nanoporous silver catalyst capable of electrochemically reducing carbon dioxide to carbon monoxide with 92% efficiency. The carbon monoxide then can be used to produce synthetic fuels and chemicals. Qi Lu, Jonathan Rosen, Yang Zhou, Gregory S.

Delaware 210

Delaware CO2 Lithium Ion Carbon 210

Green Car Congress

JUNE 15, 2010

Researchers at the University of Cincinnati, Ohio, report on the development of a catalytic hydroboration system for the “highly efficient” reduction of CO 2 with a borane and subsequent hydrolysis of the resulting methoxyboryl species to produce methanol (CH 3 OH) in good yield. Article ASAP doi: 10.1021/ja103982t.

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Conversion CO2 Ohio Carbon 199

Cars That Think

SEPTEMBER 30, 2022

He gave the example of a visitor to the University of Oxford who sees colleges and a splendid library and then asks, “But where is the university?” The category mistake is obvious: A university is an institution, not a collection of buildings. It is just the opposite for the decarbonization of the energy supply.

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Climate Fusion Universal Global 92

Green Car Congress

MARCH 14, 2017

A team of scientists at the University of Cambridge has reported the light-driven photoreforming of cellulose, hemicellulose and lignin to H 2 using semiconducting cadmium sulfide quantum dots in alkaline aqueous solution. A paper on their work is published in the journal Nature Energy. Wakerley, Moritz F. Kuehnel, Katherine L. Ly, Timothy E.

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Light Solar Conversion Hydrogen 236

Green Car Congress

MAY 4, 2018

nm), the energy conversion efficiency and apparent quantum yield reaches ~8.75% and ~20%, respectively—the highest values ever reported for one-step visible-light driven photocatalytic overall pure water splitting. The device could also be reconfigured to turn carbon dioxide back into fuel.

Water 186

Water Solar Hydrogen Carbon 186

Green Car Congress

JULY 23, 2013

Researchers in South Korea have developed a simple, low-cost and eco-friendly method of creating nitrogen-doped graphene nanoplatelets (NGnPs) with excellent catalytic performance in both dye-sensitized solar cells and fuel cells to replace conventional platinum (Pt)-based catalysts for energy conversion. —Jeon et al.

Solar 262

Solar Fuel Low Cost South Korea 262

Green Car Congress

OCTOBER 8, 2013

Now, researchers from the University of Illinois at Urbana-Champaign and UC Berkeley have engineered yeast to convert cellulosic sugars and toxic levels of acetate together into ethanol under anaerobic conditions. We sort of rebuilt how yeast uses carbon.” —Wei et al. cerevisiae. Jamie Cate.

Engine 199

Engine Illinois Conversion Universal 199

Green Car Congress

NOVEMBER 14, 2010

Biomass, a kind of renewable resource that adsorbs CO 2 during its growth, contributes net zero carbon emissions when used to produce hydrogen. An alternative method is its primary conversion into bio-oil by fast pyrolysis. Energy Fuels , Article ASAP doi: 10.1021/ef1010995. Bio-oil was reformed in a fixed-bed reactor.

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Oil Hydrogen Carbon Store 218

Green Car Congress

MARCH 18, 2010

Researchers at the Norwegian University of Science and Technology (NTNU) have developed a calculation procedure to estimate the maximum theoretical yields, as well as predictions of the conversion efficiencies in terms of mass, carbon, and energy efficiency, of selected biorefinery production chains. Click to enlarge.

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Diesel Conversion Carbon Energy 231

Green Car Congress

MAY 19, 2014

A new review article in the journal Science highlights emerging opportunities to increase the transformation of lignin to value-added products—i.e., lignin valorization. Each product stream, however, has its own distinct challenges. Ragauskas et al. courtesy of Oak Ridge National Laboratory.] Click to enlarge. —Ragauskas et al.

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Production Carbon Fiber Polymer Fuel 225

Green Car Congress

DECEMBER 29, 2010

kg of mineral carbonate aggregate of a specific size class. Two types of mineral carbonate aggregate were tested, one being aragonitic coral fragments and the other calcitic limestone from a local quarry. After full equilibration with air, he found that up to 85% of the captured carbon was retained in solution—i.e.,

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CO2 Carbon Convert Mariner 218

Green Car Congress

OCTOBER 3, 2016

One way to mitigate high feedstock cost is to maximize conversion into the bioproduct of interest. This maximization, though, is limited because of the production of CO 2 during the conversion of sugar into acetyl-CoA in traditional fermentation processes. We get both the increase in yield and consumption of all the carbon.

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Conversion Carbon CO2 Oil Prices 240

Green Car Congress

MARCH 27, 2017

Researchers at George Washington University led by Dr. 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). —Ren et al.

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CO2 Carbon Gas-Electric 2017 150

Green Car Congress

JUNE 14, 2010

A team from Purdue University has estimated the “sun-to-fuel” (S2F) yield for liquid hydrocarbon fuel via different biomass pathways and found that the S2F yield for self-contained processes that mainly rely on the biomass to supply all the energy need is “ quite low ”. Most likely, the lost carbon will be in its low-energy state as CO 2.

Fuel 186

Fuel Conversion Solar Carbon 186

Green Car Congress

APRIL 2, 2014

Researchers at Nanyang Technological University (NTU) report in an open access paper in Scientific Reports that bulk antimony sulfide (Sb 2 S 3 ) with a size of 10–20 ?m Both Sb 2 S 3 wires and bulk Sb 2 S 3 electrodes showed similar charge-discharge peaks for alloying and conversion reactions of Sb 2 S 3. —Yu et al. Yu, Harry E.

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Li-ion Batteries Battery Lithium Ion 220

Green Car Congress

NOVEMBER 2, 2009

Researchers at Nanjing University in China have shown that fullerenes (cage-like, all-carbon nanostructures) can function effectively as novel non-metal hydrogenation catalysts. Article ASAP doi: 10.1021/ja9061097. Fullerenes can drive hydrogenation under mild conditions. Credit: ACS, Li and Xu. Click to enlarge.

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Hydrogen Oil Pollution Carbon 170

Green Car Congress

JUNE 28, 2009

Researchers at Tsinghua University in China have shown that sugarcane juice is a good feedstock for biodiesel production, when used to support the growth of the alga Chlorella protothecoides by heterotrophic fermentation. Conversion ratios of sugar/biomass and sugar/oil using SCH were 15.2 higher than that using glucose, respectively.

Juice 236

Juice Oil Conversion Carbon 236

Green Car Congress

FEBRUARY 27, 2010

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.

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Hydrogen Low CO2 Available Fleet 236

Green Car Congress

JUNE 20, 2009

Researchers at Oregon State University have demonstrated the gasification of water-soluble biomass constituents in supercritical water in a microchannel reactor under isothermal, continuous flow condition at short residence times to produce a hydrogen-rich gas. Energy Fuels , Article ASAP doi: 10.1021/ef900227u. Credit: ACS.

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Water Hydrogen Production Conversion 150

Green Car Congress

MARCH 3, 2011

A new study by Michael Wang and Jeongwoo Han at Argonne National Laboratory and Xiaomin Xie at Shanghai Jiao Tong University assesses the effects of carbon capture and storage (CCS) technology and cellulosic biomass and coal co-feeding in Fischer-Tropsch (FT) plants on energy use and greenhouse gas (GHG) emissions of FT diesel (FTD).

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Coal Diesel Energy Emissions 240

Green Car Congress

OCTOBER 3, 2014

Researchers at The Ohio State University have developed a novel strategy to improve the efficiency and performance of non-aqueous lithium-oxygen (Li-air) batteries. The solar battery contains three electrodes: a Li-metal anode, an oxygen electrode made from carbon paper and a photoelectrode. —Yu et al. —YiYing Wu.

Solar 262

Solar Li-ion Batteries Battery 262

Green Car Congress

MAY 1, 2009

Researchers at the Norwegian University of Science and Technology (NTNU) are proposing a new process for producing synfuel from biomass using concentrating solar energy as its main energy source. For comparison, they also modeled the production of methanol using only biomass as a fuel and also using coal as source of both carbon and energy.

Solar 186

Solar Molten Salt Fuel Production 186

Cars That Think

DECEMBER 19, 2021

Eventually, they’ll add equipment to spray tiny aerosol particles of calcium carbonate, the compound found in limestone, blackboard chalk, and Tums antacids. Keith is also the founder of Carbon Engineering, a Canadian firm building a sprawling facility in West Texas that will pull carbon dioxide directly from the air.).

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Ozone Solar Climate Change Climate 119

Green Car Congress

JANUARY 19, 2010

Model scope includes all upstream processing of biomass material; conversion to liquid or solid fuel is intentionally excluded. Biofuel conversion processes were excluded from the scope of the analysis. These so-called ‘indirect’ changes are associated with conversion of arable land into production and were not included here.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

MARCH 10, 2018

Startup Mattershift says it has achieved a breakthrough in making carbon nanotube (CNT) membranes at large scale. The paper is a characterization study of commercial prototype carbon nanotube (CNT) membranes consisting of sub–1.27-nm-diameter nm-diameter CNTs traversing a large-area nonporous polysulfone film.

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Carbon Fuel Polymer Austin 199

Green Car Congress

SEPTEMBER 27, 2011

One of the avenues being explored is sesquiterpenes, terpene compounds that contain 15 carbon atoms (diesel fuel typically contains 10 to 24 carbon atoms). Terpenes are biosynthesized from the C 5 universal precursors isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP). Third, we produced bisabolene in S.

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Diesel Engine Hydrogen Convert 230

Cars That Think

NOVEMBER 20, 2023

Among the most articulate and almost certainly the wonkiest is Jesse Jenkins , a professor of engineering at Princeton University, where he heads the ZERO Lab—the Zero-carbon Energy systems Research and Optimization Laboratory, that is. A year ago, we weren’t even having this conversation.

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Clean Cleaning Energy Emissions 98

Green Car Congress

APRIL 1, 2016

A team from The University of Manchester and East China University has developed a process for the direct hydrodeoxygenation of raw woods into liquid alkanes with mass yields up to 28.1 wt% The type of wood had a significant influence on both mass and carbon yields of the alkane products. from hardwood. from hardwood.

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Conversion Energy Fuel Convert 150

Green Car Congress

JULY 8, 2011

Anthropogenic chemical carbon cycle. In a Perspective published in the Journal of the American Chemical Society , researchers from the Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California describe their work on developing the feasible anthropogenic recycling of carbon dioxide.

Carbon 286

Carbon Economy Hydrogen Fuel 286

Green Car Congress

MARCH 26, 2019

In the catalytic process, rare metals such as platinum, are used in a chemical reaction to convert carbon monoxide and other pollutants to non-toxic carbon dioxide, nitrogen, and water. They then activated the catalyst in carbon monoxide at about 275 degrees Celsius. Hensen, Yong Wang & Abhaya K. Hensen, Yong Wang & Abhaya K.

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Exhaust Pollution Convert New Mexico 270

Green Car Congress

JULY 7, 2016

An international team of researchers has demonstrated a new way to increase the robustness and energy storage capability of a particular class of “lithium-rich” cathode materials by using a carbon dioxide-based gas mixture to create oxygen vacancies at the material’s surface. Click to enlarge. —Shirley Meng.

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San Diego Li-ion Ni-Li Lithium Ion 170

Cars That Think

MARCH 28, 2023

Not so fast, exclaim researchers at Stanford University, who state that charging EVs during the day is actually cheaper, better for the grid, and healthier for the environment. EVs alone aren’t sufficient to meet carbon-reduction targets, which means enormous lifestyle changes for many of us, as we try to do our part to combat climate change.

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Climate Change Climate Grid United States 144

Green Car Congress

SEPTEMBER 29, 2010

Researchers at Nanjing University and Anhui Polytechnic University in China have synthesized zinc orthogermanate (Zn 2 GeO 4 ) ultralong nanoribbons which show promising photocatalytic activity toward the reduction of CO 2 into renewable methane (CH 4 ) and water. Article ASAP doi: 10.1021/ja1068596. Credit: ACS, Liu et al.

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Renewable CO2 Water Conversion 186

Green Car Congress

JULY 22, 2009

Dr. Don Paul is the Executive Director, University of Southern California Energy Institute and a former vice president and chief technology officer of Chevron. As another panelist pointed out, “ The New York Times is well-equipped to write the article about how Stimulus Funds have been wasted ”. Energy Markets in a State of Change.

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Financing Renewable Stimulus Package Energy 150

Green Car Congress

JUNE 27, 2009

Researchers at the US Naval Research Laboratory (NRL) and the Center for Applied Energy Research at the University of Kentucky are investigating the hydrogenation of CO 2 using a conventional Fischer-Tropsch cobalt catalyst for the production of valuable hydrocarbon materials. Energy Fuels , Article ASAP doi: 10.1021/ef900275m.

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Climate Change Production CO2 2009 150

Green Car Congress

APRIL 22, 2009

Researchers at the University of California San Francisco have engineered the industrial yeast S. They can also be used as intermediates for the chemical synthesis of more complex carbon compounds such as fuel hydrocarbons. fermentans for carbon and energy, and A. Article ASAP doi: 10.1021/ja809461u. fermentans.

Engine 150

Engine Fuel San Francisco Convert 150

Green Car Congress

MARCH 30, 2009

Researchers at Penn State University, led by Dr. Bruce Logan, have found that methane can be directly produced using a biocathode containing methanogens in electrochemical systems (abiotic anode) or microbial electrolysis cells (MECs; biotic anode) by a process called electromethanogenesis. At a set potential of less than -0.7

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CO2 Production Hydrogen Carbon 236