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The goal of the partnership is to develop a cost-effective solution to long-haul freight that aims to reduce the carbon footprint of commercial transportation. It has the same chemical and physical properties as fossil diesel fuel, but with lower carbon content.
Graphene is a wondrous material composed of a single layer of carbon atoms. Electronic Tattoos for Heart Disease Accordingly to the World Health Organization, cardiovascular diseases are the leading cause of death worldwide , with causal factors including diet, lifestyle, and environmental pollution.
A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Platt et al. Click to enlarge.
When airborne particles (green) form before PAHs adhere, both the pollutants and particles dissipate quickly, as shown in the top row. But when the particles form in the presence of pollutants, which is what likely happens in nature, the longer-lasting particles enable the long-range transport of the pollutants (bottom).
Carbon capture and storage (CCS) involves capturing carbon dioxide released by power stations and other industrial sources, and burying it deep underground. The report shows that while CCS may have an overall positive effect on air pollution, emissions of some pollutants may increase.
Infants born to women exposed to high levels of air pollution in the week before delivery are more likely to be admitted to a newborn intensive care unit (NICU), suggests an analysis by researchers at the US National Institutes of Health (NIH). Short-term exposure to most types of air pollutants may increase the risk for NICU admission.
Boxes represent pollution reading locations during that window. Computer scientists at the University of California, San Diego have built a portable pollution sensors that transmit transmit their air quality readings to smart phones, allowing users to monitor air quality in real time. Nikzad et al. Click to enlarge. Click to enlarge.
Professional drivers working in congested cities are exposed to black carbon levels that are on average a third higher than would be experienced at a busy roadside, according to research presented at the European Respiratory Society International Congress. We know quite a lot about the dangers of exposure to traffic pollution.
The US Environmental Protection Agency (EPA) is proposing new, stronger standards to promote clean air and reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. —“Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards”.
Volkswagen has begun to fit all its models with an activated carbon filter. Furthermore, the filter technology with activated carbon layer also converts harmful gases such as nitrogen dioxide, leaving the interior air cleaner and less disturbing. This disables even the tiniest allergens.
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. Source: EPA. Click to enlarge. Earlier post.).
The California Air Resources Board (ARB) has released , for public review, a concept paper to initiate discussion on the development of a Short-Lived Climate Pollutant Reduction Strategy. Short-lived climate pollutants (SLCPs) include methane, tropospheric ozone, black carbon, and fluorinated gases.
Panels show (a) PM 2.5 , (b) elemental carbon (EC), (c) NO x , (d) CO, (e) formaldehyde, and (f) sum of target VOCs. They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Emission rates for the 1.7
Data presented as mean ± standard deviation, N=3. the E30 and E78—led to statistically significant reductions of 9%–13% for total hydrocarbon (THC); 13%–44% for non-methane hydrocarbon (NMHC); 20%–35% for carbon monoxide (CO); and 17%–36% for nitrogen oxides (NO x ) emissions compared to the high-aromatics E10 fuel.
The human health benefits associated with improvements in air quality related to the reduction in greenhouse gas emissions improvements can offset 26–1,050% of the cost of US carbon policies, depending upon the type of policy, according to a new study by a team from MIT. Carbon-reduction policies significantly improve air quality.
A study by a team of researchers from France and the US found that the origin of volatile hydrocarbons, other than methane, present in city air is mainly gasoline-powered vehicles. compounds containing 2-12 carbon atoms) are mainly produced by automobiles, a conclusion in line with previous findings. Borbon, A., Gilman, W.
Highways England is funding this project to assess how IPG's turbine technology could present a solution for delivering power at a competitive cost while improving air quality, that would alleviate grid stress in high-use areas, as well as enabling remote locations to facilitate EV charging.
University of Delaware researchers have identified an algae— Heterosigma akashiwo —that grows rapidly on a gas mixture that has the same carbon dioxide and nitric oxide (NO) content as emissions released from a power plant. So far, they found a large increase in carbohydrates when grown on flue gas compared to air.
The team made measurements of black carbon (BC) with a high-sensitivity laser-induced incandescence (HS-LII) instrument and a single particle soot photometer (SP2); measurements were conducted upwind, downwind, and while driving on a highway dominated by gasoline vehicles. derived emission factors. Credit: ACS, Liggio et al.
Since 2005, when major greenhouse-gas emitters among the Kyoto signatories were issued caps on their emissions and permitted to buy credits to meet those caps, there has been more than $300 billion worth of carbon transactions. The approval process for carbon offsets has two goals. THE APPROVAL PROCESS.
The first workshop, on 2 March, focused on preliminary elements of the proposed criteria pollutant emission standards and involved a presentation of technical information from several studies that are under evaluation for potential greenhouse gas emission reduction. Emission Reduced Lightweight Car Concepts ”. ITS-Davis, 2010.
Urban regions account for an ever increasing fraction of Earth’s population, and are consequently an ever increasing source of air pollutants. These pollutants include anthropogenic aerosols, which have important climate and health implications.
Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. Reducing black carbon and tropospheric ozone now will slow the rate of climate change within the first half of this century, the study said. Click to enlarge. °C (within a likely range of 0.2-0.7
As a step toward better understanding the prevalence of airborne nanoplastics, researchers from Ben-Gurion University of the Negev in Israel have developed a sensor that detects these particles and determines the types, amounts and sizes of the plastics using colorful carbon dot films. —Raz Jelinek, Ph.D., —Raz Jelinek.
CIRI executives presented the plan to state lawmakers at a joint hearing in Alaska on Friday. CIRI says it is committed to carbon capture and sequestration by way of enhanced oil recovery. The integration of carbon capture and sequestration plus UCG would be a first, according to CIRI. CIRI UCG Presentation.
The US Environmental Protection Agency (EPA) is soliciting proposals for a project to provide assistance in developing and implementing assessment and mitigation activities for diesel sources of black carbon in the Russian Arctic. In a presentation at the 242 nd National Meeting & Exposition of the American Chemical Society (ACS), Mark Z.
An international collaboration led by Cranfield University will examine the potential for the low-carbon production of hydrogen from natural gas. The outputs are high-purity streams of hydrogen and carbon dioxide which can be then stored, sold or transported to where it is needed.
million in Carbon Recycling International (CRI). Geely’s CRI investment and work with renewable methanol is similar to the approach Audi is taking with its own e-fuels projects—producing very low carbon liquid or gaseous fuels using only renewable energy, water and CO 2. —Li Shufu, Chairman of Geely Group. Earlier post.).
Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment. 2017.02.015.
When powered by renewable methanol, CellPack Stationary has carbon-neutral operation. We are, with the many advantages of the CellPack Stationary system compared to fossil-based gensets but also other fuel cell solutions in the market, presenting a strong green alternative for power generation.
Cutting HFCs, black carbon, tropospheric ozone, and methane can buy us about 40 years before we approach the dangerous threshold of 2°C warming. —co-author Black Carbon. Black carbon is responsible for almost 50% of the 1.9°C With indoor air pollution killing 1.6 From Molina et al. Earlier post.). Earlier post.).
The California Air Resources Board released a new draft of California’s Short-Lived Climate Pollutant Strategy to significantly reduce the near-term climate impacts of these potent pollutants. Methane is the most abundant of the short-lived climate pollutants in California. Governor Edmund G.
The California Air Resources Board (ARB) and the National Oceanic and Atmospheric Administration (NOAA) are collaborating in the $20-million CalNex research project to examine the nexus between air pollution and climate change. CalNex is the culmination of three years’ preparation. 2010 CalNex Science and Implementation Plan.
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. Credit: ACS, Wang et al. Click to enlarge.
In particular, the study led by Drew Shindell found that methane emissions have a larger warming impact due to those interactions than accounted for in current carbon-trading schemes or in the Kyoto Protocol. Because the latter was a $126 billion/year market in 2008, even small differences in GWPs can have large economic consequences.
Carbon cycle. The report estimates that carbon emissions equal to half the annual emissions of the global transport sector are being captured and stored by marine ecosystems such as mangroves, salt marshes and seagrasses. Blue carbon sink. Credit: Riccardo Pravettoni, UNEP/GRID-Arendal. Click to enlarge. Click to enlarge.
Electricity generation and distribution in the US represents nearly 40% of US CO 2 emissions, as well as large shares of the other pollutants. discuss the implications of this “ considerable divergence ” and list recommendations for a standardized approach to accounting for air pollution emissions in life cycle assessment and policy analyses.
Identical total annual emissions of sulfate and black carbon aerosol from eight major past, present, and potential future emitting regions (a) result in global-mean cooling spanning a 14x range (b, y-axis), differing substantially in the degree to which that cooling is felt in the emitting region (b, x-axis).
This potential leap in destructiveness and pollution—mainly from an increase in wildfire frequency—is forecast by computer models calculating impacts of moderate global warming on western US wildfire patterns and atmospheric chemistry. Percent increase in organic carbon particles at the surface, from the present-day to the 2050s.
When including Land Use Change (LUC) factors, Brazilian sugar cane ethanol and soybean biodiesel have much larger life-cycle emissions than conventional gasoline and biodiesel for six regulated, non-greenhouse gas (GHG) air pollutants, according to a study led by a team from the University of California, Merced. 683 g PM 2.5 2,575 g PM 2.5
This initiative with Watsontown Trucking Company and Camrett Logistics presents an exciting opportunity to continue partnering with fleets that were already servicing our local NRV logistics routes, and to utilize Volvo VNR Electrics to reduce the carbon footprint of our own supply chain.
The BC hypothesis is not refuted by any available records, or by the calculations presented here. The use of coal to heat homes and power transportation and industry in Western Europe began in earnest, spewing huge quantities of black carbon and other dark particles into the atmosphere. —Painter et al.
Researchers at Isfahan University of Technology (Iran) report the efficient production of cellulosic ethanol from rice straw using a new sodium carbonate pretreatment method. Rice straw was treated with sodium carbonate (Na 2 CO 3 )prior to enzymatic hydrolysis and fermentation. and 1 M sodium carbonate solution. Resources.
The researchers are presenting this work at the Goldschmidt Geochemistry Conference in Barcelona this week. This technique can draw up huge quantities of hydrogen while leaving the carbon in the ground. The only product of this process is hydrogen, meaning that it the technology is effectively pollution and emission free.
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