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Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. However, this research finds that it reduces only a small fraction of carbon emissions, and it usually increases air pollution. A study by Mark Z. —Mark Jacobson.
The researchers found that while EVs do offer a very promising solution to energy issues due to their replacement of petroleum fuels, for now “ the high pollution levels of coal-fired power plants will trade off EVs’ potential energy benefits in China ”. The power of EVs is electricity from the grid. and NO x emissions.
Researchers at The Ohio State University have developed a novel process to clean coal mine drainage and extract rare-earth elements from it. Coal mine drainage (CMD) impairs tens of thousands of kilometers of U.S. CMD, coal mine drainage; TEP, trap-extract-precipitate. —Miranda et al. Miranda et al. —Jeff Bielicki.
In early 2013, the Chinese government declared a war on air pollution and began instituting stringent policies to regulate the emissions of PM 2.5. Cities restricted the number of cars on the road, coal-fired power plants reduced emissions or were shuttered and replaced with natural gas. Over the course of five years, PM 2.5
In regions where the share of coal-based electricity is relatively low, EVs can achieve substantial GHG reduction, the team reports in a paper in the ACS journal Environmental Science & Technology. According to the 12 th Five-Year Plan of the China Coal Industry (2011?2015)
pollution, new open-access research published in PLOS ONE suggests that PM 2.5 Similar to smoking, air pollution contains harmful toxins that can directly affect the kidneys. High-risk patients who live in heavily populated or polluted areas should recognize the danger and take precautions, Bragg-Gresham says. concentration.
South Africa state-owned power utility Eskom reports that a design study is currently under way for an underground coal gasification (UCG) demonstration plant, which will include a 250,000 Nm 3 /h gas production plant and a 100 MW to 140 MW gas turbine plant. The coal seam lies between 280 m and 300 m deep. Mining Weekly.
Topsoe has designed the methanation section of this plant, which is the company’s second large-scale coal-based industrial SNG reference to begin operations in China following last years’ opening of Qinghua, the world’s largest SNG plant located in the Xinjiang region. Block diagram with major units of an SNG plant. Click to enlarge.
Underground coal gasification uses paired wells in a coal seam: one an oxidant injection well, the other the syngas producer well. CIRI), an Alaska Native corporation, is proposing an underground coal gasification (UCG) project that would use the resulting syngas to fuel a new 100 MW combined cycle power plant. Source: CIRI.
US Energy Secretary Steven Chu and US Senator Dick Durbin announced the awarding of $1 billion in Recovery Act funding to the FutureGen Alliance, Ameren Energy Resources, Babcock & Wilcox, and Air Liquide Process & Construction, Inc. an advanced coal repowering program and carbon dioxide (CO 2 ) storage network.
The US Department of Energy (DOE) selected eight projects to advance the development of transformational oxy-combustion technologies capable of high-efficiency, low-cost carbon dioxide capture from coal-fired power plants. The Energy Department’s $7 million investment—leveraged with recipient cost-share to support approximately $9.4
Among pollutants that are less than 2.5 microns in diameter (PM2.5 ), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulfur dioxide (SO 2 ). Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM 2.5
Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The first two reports dealt with nuclear power (2003) and coal (2007).
Electric vehicles charged in coal-heavy regions can create more human health and environmental damages from life cycle air emissions than gasoline vehicles, according to a new consequential life cycle analysis by researchers from Carnegie Mellon University. UC stands for uncontrolled charging and CC stands for controlled charging.
City center residents who took part in a study were almost twice as likely to suffer from coronary artery calcification (CAC), which can lead to heart disease, than people who lived in less polluted urban and rural areas, according to research published in the May issue of the Journal of Internal Medicine. Jess Lambrechtsen.
The Natural Resources Defense Council (NRDC) issued a press release on Friday saying that Baard Energy had agreed to a settlement entailing their switching from coal as a feedstock for its planned coal/biomass-to-liquids Ohio River Clean Fuels plant ( earlier post ) to natural gas. Earlier post.).
The US Department of Energy (DOE) and Canada’s Natural Resources Canada (NRCan) opened a new 1 Megawatt thermal (MW th ) facility to test an advanced process to capture CO 2 emissions from coal-fired power plants.
A NASA-led team of scientists has uncovered strong evidence that coal soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice Age (LIA). —Painter et al. Painter, Mark G.
Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. Baumgartner and her colleagues measured the daily exposure to different types of air pollutants, including black carbon, in 280 women (mean age 51.9
Coal could become a major source of the metal lithium, according to a review of the geochemistry by scientists from Hebei University of Engineering in China published in the International Journal of Oil, Gas and Coal Technology. Indeed, the extraction of lithium from coal would offer an ironic twist to its continued use.
Quantifies the production of pollutant ozone (? Abiotic Resource Depletion Potential (kg Sb equivalent). water, and non-renewable energies (crude oil, coal.) consumption leading to resources and abiotic depletion. Quantifies the quantity of energy (crude oil, coal.) Quantifies ores (steel, aluminum, copper.),
China’s shift toward alternative fuels in order to cut its reliance on imported oil is creating large opportunities, notably in natural gas vehicles (NGVs) and in the conversion of coal to ethanol, according to a new report from Lux Research. Coal-to-ethanol is on verge of large-scale commercialization. Renewable resources.
In addition, President Obama issued a Presidential Memorandum creating an Interagency Task Force on Carbon Capture and Storage to develop a comprehensive and coordinated federal strategy to speed the development and deployment of advanced lower-emission coal technologies. Renewable Fuel Standard Program (EPA). Biomass Crop Assistance Program.
This despite evidence that suggests air pollution impacts from the transportation sector exceed those from greenhouse gases. … solar, wind, hydroelectric, and nuclear) as compared to the eastern US (EUS), where the electricity market is dominated by pollutant and precursor emitting combustion sources (i.e., —Schnell et al.
Thacker Pass is the largest known lithium resource in the United States. The sedimentary-clay deposit at Thacker Pass will use similar mining techniques to many coal deposits. In 2019, Lithium Americas entered into a mine design, consulting and mine operations agreement with Sawtooth Mining, a subsidiary of North American Coal.
The selected projects are intended to improve the economics of IGCC plants and promote the use of the US’abundant coalresources. Higher efficiencies mean that less fuel is used to generate power, in turn resulting in better economics, which can mean lower costs to consumers and the formation of fewer harmful pollutants.
Ozone is formed through a chemical reaction that occurs when sunlight interacts with nitrogen oxides and other organic compounds that are generated by coal-burning, vehicle exhaust and some natural sources. They monitored indoor and outdoor ozone levels, along with other pollutants. 2017.2842.
Changes in the new version include: Power plant generation efficiencies, technology shares, criteria pollutant emissions, transmission losses, and associated probability distribution functions are updated. Coal properties are updated on a state coal production weighted basis, including more detailed coal classes.
EVs offer advantages in terms of powertrain efficiency, maintenance requirements, and zero tailpipe emissions, the last of which contributes to reducing urban air pollution relative to conventional internal combustion engine vehicles (ICEVs). This has led to a general perception of EVs as an environmentally benign technology. Hawkins et al.
Total subsidies for renewable energy stood at $66 billion in 2010 (a 10% increase from the year before); the total value of global fossil fuel subsidies is estimated at between $775 billion and more than $1 trillion in 2012, Two thirds of the renewable energy subsidies went to renewable electricity resources and the remaining third to biofuels.
The US Department of Energy (DOE) released a draft for comment of an $8-billion loan guarantee solicitation for innovative and advanced fossil energy projects and facilities that substantially reduce greenhouse gas and other air pollution. The program is part of President Obama’s climate action plan. Earlier post.).
PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco. Study participants exposed to air pollution levels below the average were designated as having low exposure, while those exposed to pollution levels above the median were identified as high exposure.
These new compounds were not previously known to exist, and raise additional concerns about the health impacts of heavily-polluted urban air or dietary exposure. PAHs form naturally as the result of almost any type of combustion, from a wood stove to an automobile engine, cigarette or a coal-fired power plant. Staci Simonich.
The China Energy Group of the US Department of Energy’s (DOE’s) Lawrence Berkeley National Laboratory (Berkeley Lab) recently released the eighth edition of the China Energy Databook —the most comprehensive publicly available resource known to exist covering China’s energy and environmental statistics. Click to enlarge.
A new report from the National Research Council examines and, when possible, estimates, “hidden” costs of energy production and use—such as the damage air pollution imposes on human health—that are not reflected in market prices of coal, oil, other energy sources, or the electricity and gasoline produced from them.
The New Mexico Environmental Improvement Board (EIB) adopted by a vote of four to three greenhouse gas reduction regulations—called the most stringent in the US—that will reduce global warming pollutants through a regional cap on greenhouse gas emissions. New Mexico Greenhouse Gas Cap-and-Trade Regulation.
A comprehensive three-year scientific study into the air, water and soil impacts of hydraulic fracturing (HF) in coal seam gas (CSG) in Queensland, Australia has found little to no impacts on air quality, soils, groundwater and waterways. Increased levels of airborne particles were associated with dust from vehicle movement.
The US Environmental Protection Agency (EPA) released the Second Integrated Urban Air Toxics Report to Congress—the final of two reports required under the Clean Air Act (CAA) to inform Congress of progress in reducing public health risks from urban air toxics (also referred to as hazardous air pollutants or HAPs).
In a first-of-its-kind study, scientists from the US Department of Energy’s Lawrence Berkeley National Laboratory and the California Air Resources Board tracked variations in the amount of lead transported across the Pacific over time. The research was supported in large part by the California Air Resources Board. One site was on Mt.
Air pollution legislation to control fossil fuel emissions and the associated acid rain has worked—perhaps leading to the need for sulfur fertilizers for crop production. As we go from northeast to southwest across this part of Illinois, the sulfate that we think is from groundwater near coal seams, decreases. David, Lowell E.
The US Department of Energy (DOE) has selected 7 projects that will help develop low-cost solid oxide fuel cell (SOFC) technology for central power generation from fossil energy resources for further research. The projects include: ?. Topic Area 1: Electrochemical Performance Enhancement Activity. Boston University.
Although emissions vary by plant and with the specific type of fuel, EPA provided illustrative examples of CO 2 emissions from EGUs: Conventional coal: 1,800 lbs CO 2 /MWh. Coal with carbon capture and storage (CCS): 200 lbs CO 2 /MWh. A company could build a coal?fired Natural Gas Combined Cycle: 820 lbs CO 2 /MWh. fired EGUs.
90% is from coal. Most electricity generating units (EGUs) in China lack advanced pollution controls. 1 ), for four pollutants. Well-to-station emissions represent a larger proportion of total emissions for CVs relative to EVs for many pollutants. In China, 85% of electricity production is from fossil fuels, of which ?90%
Based on an ADB study, gasoline-fueled tricycles are responsible for more than two-thirds of all air pollution generated by the country’s entire transport sector. Along with ADB’s loan from its ordinary capital resources, the Government of Chhattisgarh will provide more than $128 million, for a total project investment cost of $428.1
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