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3D printing with high-performance carbon fiber

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Lawrence Livermore National Laboratory (LLNL) researchers have become the first to 3D-print aerospace-grade carbon fiber composites, opening the door to greater control and optimization of the lightweight, yet stronger than steel material. Resources. --!>.

2017 24

Global Carbon Project: Low growth in global carbon emissions continues for third successive year

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Global carbon emissions from burning fossil fuels did not grow in 2015 and are projected to rise only slightly in 2016, marking three years of almost no growth, according to researchers at the University of East Anglia (UEA) and the Global Carbon Project. Resources.

2015 28

Study finds transport, residential heating main sources of black carbon in Russian Arctic

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According to a new international study published in the Proceedings of the National Academy of Sciences , 38% of black carbon in the Russian Arctic originates from transport and 35% from residential heating sources, while open fires, power plants, and gas flaring are responsible for only 12%, 9%, and 6% respectively. Black carbon, or soot, increases snow and ice melt by dulling the reflective surface and increasing the absorption of sunlight. Resources.

2017 18

CA Renewable Hydrogen Rule: Forcing The Carbon Numbers To Work

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California's plan to reduce carbon emissions from transportation anticipates a mix of battery-electric and hydrogen fuel-cell vehicles. To ensure that the carbon footprint of. hydrogen California Air Resources Board CARB hydrogen fuel cell renewable energy state lawsRecharging batteries from the electric grid is relatively simple, but producing hydrogen fuel requires a good deal of energy to split pure hydrogen out of other compounds.

ASTM International launches group to create standards for recovered carbon black (rCB)

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The ASTM International Board of Directors approved the launch of a new technical committee dedicated to developing standards for the growing field of recovered carbon black (rCB). The Committee on Recovered Carbon Black (rCB) ( D36 ) will focus on creating and updating standards in areas such as: the decomposition of scrap tires, other scrap-rubber components, sustainability, and material characterization.

2017 23

California Governor signs new super-pollutants legislation into law; black carbon, fluorinated gases and methane

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signed SB 1383 , establishing the nation’s toughest restrictions on super pollutants including black carbon, fluorinated gases and methane. SB 1383 reduces the emission of super pollutants (also known as short-lived climate pollutants) and promotes renewable gas by requiring a 50% reduction in black carbon and 40% reduction in methane and hydrofluorocarbon from 2013 levels by 2030. Wildfires contribute almost 50% of the total black carbon emissions in California.

2016 23

Polymer microcapsules with liquid carbonate cores and silicone shells offer a new approach to carbon capture

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The approach, described in a paper in the journal Nature Communications , could be an important advance in carbon capture and sequestration (CCS). They have significant performance advantages over the carbon-absorbing materials used in current CCS technology. Resources.

Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon aerosol plays a unique and important role in Earth’s climate system.

California ARB staff considering including alternative jet fuel in Low Carbon Fuel Standard

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The staff of the California Air Resources Board (ARB) staff is considering including alternative jet fuel (AJF) in the Low Carbon Fuel Standard (LCFS). In 2009, the ARB approved the LCFS regulation to reduce the carbon intensity (CI) of transportation fuel used in California by at least 10% by 2020 from a 2010 baseline. The LCFS sets annual carbon intensity standards—which reduce over time—for gasoline, diesel, and the fuels that replace them.

2017 16

Global Bioenergies plans to acquire Dutch start-up Syngip; gaseous carbon feedstocks for renewable isobutene process

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Global Bioenergies, the developer of a process to convert renewable resources into light olefin hydrocarbons via fermentation (with an initial focus on isobutene) ( earlier post ), signed a contribution agreement with the shareholders of Syngip B.V. Syngip has identified a specific micro-organism capable of growing using these gaseous carbon sources as its sole feedstock, and has developed genetic tools to allow the implementation of artificial metabolic pathways into it.

UW researchers discover major lithium resource in Wyoming; potential integrated brine production/CO2 storage system

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Researchers at the University of Wyoming Carbon Management Institute (CMI) discovered a major new lithium resource near Rock Springs during a geological carbon dioxide storage site characterization project sponsored by the US Department of Energy. The potential new lithium resource discovered by CMI could transform the US from a significant lithium importer to an independent lithium producer.

Electric Cars Cut Greenhouse Gases, Energy Use: New EPRI-NRDC Study

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Electric cars charged on the grid generally have a lower carbon footprint than internal-combustion vehicles--and their wells-to-wheels carbon emissions only shrink as more renewable energy comes online. Environmental emissions research Study plug-in cars natural resourcesThat's the conclusion of a new study on the environmental effects of future transportation electrification, jointly conducted by the Electric.

USC researchers outline their proposed anthropogenic chemical carbon cycle; the Methanol Economy

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Anthropogenic chemical carbon cycle. Under their scheme, carbon dioxide is captured by absorption technologies from any natural or industrial source, from human activities, or even from the air itself. It is based on the chemical anthropogenic carbon cycle. Resources.

2011 28

Which states follow California's emission and zero-emission vehicle rules?

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California leads the nation in policies that promote reductions of carbon emissions from road vehicles. emissions zero emissions EPA California California Air Resources Board CARB transportation policyIt is unique in having a federal waiver that allows it to set its own, stricter emissions standards, along with a zero-emission vehicle mandate that requires automakers reaching certain sales volumes to sell a certain number of cars without.

2017 14

NREL reveals thermoelectric potential for tailored semiconducting carbon nanotubes

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A finely tuned carbon nanotube thin film has the potential to act as a thermoelectric power generator that captures and uses waste heat, according to researchers at the Energy Department’s National Renewable Energy Laboratory (NREL). The research could help guide the manufacture of thermoelectric devices based on either single-walled carbon nanotube (SWCNT) films or composites containing these nanotubes. Carbon nanotubes, which are organic, are lighter and more flexible.

Hanyang/BMW team develops high-energy density Li-ion battery with carbon-nanotube-Si composite anode and NCM concentration gradient cathode

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A carbon nanotube (CNT)-Si composite anode with extremely stable long-term cycling provides a discharge capacity of 2364 mAh g -1 at a tap density of 1.1 Resources.

2016 35

Comprehensive assessment concludes black carbon second-most important human emission in warming climate

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A comprehensive assessment of black-carbon climate forcing accepted for publication in the Journal of Geophysical Research: Atmospheres estimates that black carbon, with a total climate forcing of +1.1?W?m Resources.

2013 38

MSU-led regional team awarded $6M NSF grant to research biofuel, carbon capture technologies

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A regional interdisciplinary team led by Montana State University has received $6 million from the National Science Foundation to address questions about whether biofuels and carbon capture technologies can be sustainably introduced into the Upper Missouri River Basin. The main project goal is to develop a framework for evaluating proposals to reduce atmospheric carbon dioxide concentrations while maintaining food security, water quality, biodiversity and other benefits, Stoy said.

Scenarios For 2030 Zero-Emissions Cars In CA: Hydrogen Or Not?

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And it is now state policy to reduce emissions of climate-change gases, primarily carbon dioxide, from its 30 million-plus road vehicles by a whopping 80 percent by 2050. Green CARB California California Air Resources Board hydrogen plug-in cars state laws zero emissions With epic smog in the Los Angeles Basin, the state of California has led the nation''s charge to reduce emissions from road vehicles for more than half a century.

New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

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A new black carbon (BC) emissions inventory from China found BC emissions levels in 2007 of 1,957 Gg BC—higher than reported in earlier studies. Resources. Black carbon China EmissionsBC emission map of China at 0.1° × 0.1° for year 2007.

2007 20

Lawrence Livermore graphene aerogels could improve performance of carbon-based superconductors by more than 100%

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LLNL’s graphene aerogel material could potentially improve on the performance of commercial carbon-based supercapacitors by more than 100%, said LLNL’s Dr. Patrick Campbell, lead author of a paper on the technology published in the RSC journal Journal of Materials Chemistry A. Aerogels derived from carbon as well as inorganic materials were developed at LLNL and have found a number of applications—from capturing space dust to lining the inside of National Ignition Facility targets.

Study finds black carbon pollution directly affects bacteria; altering effectiveness of antibiotics, increasing the potential for infection

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Black carbon, a major component of particulate matter, is produced through the burning of fossil fuels such as diesel, biofuels, and biomass. Data from the study shows that black carbon induces changes in biofilm formation, structure, and function. The effect of black carbon on S.

2017 12

GWU team uses one-pot process to co-generate H2 and solid carbon from water and CO2; solar fuels

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One-pot electrolytic process produces H 2 and solid carbon from water and CO 2. In this study, they focused on the electrolysis component for STEP fuel, producing hydrogen and graphitic carbon from water and carbon dioxide. Resources.

SEI study outlines risks to global low-carbon technology push

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A new report from the Stockholm Environment Institute (SEI) finds that recent progress in developing and deploying low carbon technology is fragile, and advises that policy support must be stabilized globally to maintain momentum. The research focused on two key low-carbon technologies: solar photovoltaics (PV) and carbon capture and storage (CCS). Great strides have been taken in the industrial development of low-carbon technologies. Resources.

MIT team synthesizes all carbon nanofiber electrodes for high-energy rechargeable Li-air batteries

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The carbon nanofiber electrodes are substantially more porous than other carbon electrodes, and can therefore more efficiently store the solid oxidized lithium (Li 2 O 2 ) that fills the pores as the battery discharges. ” Resources.

Rice University study of lung cells suggests anthropogenic carbon nanotubes are common pollutants

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Rice University scientists, working with colleagues in France, have detected the presence of anthropogenic carbon nanotubes (CBTs) in cells extracted from the airways of Parisian children under routine treatment for asthma. Resources.

ORNL team devises electrocatalyst for direct conversion of CO2 into ethanol with high selectivity; pushing the combustion reaction in reverse

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The team used a catalyst made of carbon, copper and nitrogen and applied voltage to trigger a chemical reaction that essentially reverses the combustion process. Ethanol was a surprise—it’s extremely difficult to go straight from carbon dioxide to ethanol with a single catalyst.

2016 30

UNEP and partners launch Global Initiative for Resource-Efficient Cities; role of public transport

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The United Nations Environment Programme (UNEP) and partners have launched a new initiative that aims to reduce pollution levels, improve resource efficiency and reduce infrastructure costs in cities across the world. Urban areas account for 50% of all waste, generate 60-80% of all greenhouse gas emissions and consume 75% of natural resources, yet occupy only 3% of the Earth’s surface, UNEP said. —“Sustainable, Resource Efficient Cities in the 21 st Century”. Resources.

Graphene sheet-sulfur/carbon composite cathode for higher performance Li-sulfur batteries

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The thin graphene sheet, wrapped around the sulfur/zeolitic imidazolate framework-8 derived carbon (S/C ZIF8-D ) composite, has excellent electrical conductivity and mechanical flexibility. Resources.

Sub-micrometer carbon spheres as oil additives reduce engine friction up to 25%

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Researchers at Purdue University have shown that adding ultra-smooth submicrometer carbon spheres to motor oil can reduce friction and wear typically seen in engines by up to 25%. Resources.

2015 17

EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. —Report to Congress on Black Carbon.

Ghana 12

MIT study finds carbon prices more cost-effective than fuel economy regs at reducing CO2 emissions; fuel economy regs more efficient at reducing fuel use

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Researchers at the MIT Joint Program on the Science and Policy of Global Change have compared the worldwide economic, environmental, and energy impacts of currently planned fuel economy standards (extended to the year 2050) with those of region-specific carbon prices designed to yield identical CO 2 emissions reductions. Many developed countries are choosing very expensive ways to reduce CO 2 emissions, but if that’s a top priority, they should go with a price on carbon. Resources.

2015 21

Study: even with high LDV electrification, low-carbon biofuels will be necessary to meet 80% GHG reduction target; “daunting” policy implications

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An 80% reduction in US greenhouse gas (GHG) emissions by 2050 has been generally established as the de facto required domestic contribution to stabilizing global concentrations at low to medium levels, that is, 450 and 550 ppm carbon dioxide equivalent (CO 2 -equiv). Resources.

2015 24

California Air Resources Board adopts GHG cap-and-trade program; first auctions slated for Aug/Nov 2012

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The California Air Resources Board on Thursday adopted the final greenhouse gas (GHG) emissions cap-and-trade regulation. The cap-and-trade joins a suite of other major climate program measures including standards for ultra-clean cars (Advanced Clean Cars, earlier post ), low-carbon fuels (Low Carbon Fuel Standard, earlier post ) and renewable electricity. Resources.

Ozone 11

Researchers synthesize new Li-S cathode based on “carbon compartments”

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Fabricated using a scalable, single-step, and inexpensive solid-state synthesis, the 3D carbon architectures provide a conductive backbone for non-conducting sulfur particles and also effectively accommodate volume expansion during Li 2 S formation. Resources.

Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

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Researchers at Peking University have developed a new methodology to model black carbon (BC) emissions from diesel and gasoline motor vehicles. Black carbon is a key short-lived climate change forcer ( earlier post ) and motor vehicles are important sources of BC in the environment. Resources. 2004) A technology-based global inventory of black and organic carbon emissions from combustion. Black carbon Emissions

2006 13

Sulfur-loaded carbon aerogel as cathode for Li-S battery offers improved cyclic stability

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Researchers at South China Normal University in Guangzhou have developed a novel composite of sulfur loaded in micropore-rich carbon aerogel (CA-S) for use as a cathode in Li-sulfur batteries. Resources.

U of I study: synthetic fuels via CO2 conversion and FT not currently economically & environmentally competitive

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The WTG CO 2 emissions vary from 180% (nearly twice) to a reduction of 75% compared to that of the business as usual scenario without carbon sequestration. Resources. Carbon Capture and Conversion (CCC) Diesel Emissions Fuels

2016 26

Researchers argue that the optimal use of biomass as a renewable resource is for production of select chemicals, not power, heat or fuels

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Biomass differs from the other renewable resources, they note, since the energy it contains is stored as chemical bonds. To explore the best utilization of biomass, the team used the effective H/C ratio: the ratio between hydrogen and carbon atoms in the molecule adjusted for heteroatoms.

New EIA report boosts estimates of global recoverable shale oil resources 10-fold to 345 billion barrels

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The US Energy Information Administration (EIA) has released a new report that estimates that shale oil and shale gas resources in the United States and in 137 shale formations in 41 other countries represent 10% of the world’s crude oil and 32% of the world’s natural gas technically recoverable resources—i.e., The ARI assessment of shale formations looks exclusively at shale resources and does not consider other types of tight formations. Resources.