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Based on visual interpretation of high-resolution (30 m) satellite images, a new study in the journal Global Change Biology: Bioenergy determined that industrial plantations covered over 3.1 When peat swamps are drained for agriculture, the peat begins to decompose, and is an enormous source of carbon emissions. Earlier post.).
New research led by Mohammad Masnadi, assistant professor of chemical and petroleum engineering at the University of Pittsburgh Swanson School of Engineering, offers a closer look at the relationship between decreasing demand for oil and a resilient, varied oil market—and the carbon footprint associated with both.
Researchers at the University of Calgary are developing ultra-dispersed (UD) nanocatalysts for the in situ upgrading of heavy oil and bitumen from deep reservoirs. One of the challenges of such an approach is the placement of the catalyst deep into the heavy oil plume by transporting a catalyst suspension through the sand medium.
The COVID-19 pandemic has significantly affected both consumer and commercial transportation, but global oil demand will probably continue to grow through 2030, according to a new study. In three of the four scenarios, global oil demand continued to grow through 2030. Lines represent global oil demand by study scenario.
Results of a Rice University laboratory study suggests that using foam may maximize enhanced oil recovery (EOR). Oil resides in formations of rock and sand in small cracks and crevices that have proved devilishly difficult to tap. The Department of Energy, the Abu Dhabi National Oil Co., Conn, Kun Ma, George J.
Bentley Motors has launched a three-year research study on electric vehicle powertrains, utilizing a fully integrated, free from rare-earth magnet e-axle that supports electric vehicle architectures. The Thinking Pod Innovations Ltd & Nottingham University – Power electronics optimization and alternative wide band gap system design.
However, a new lifecycle study by a team from Stanford University and Cornell University has concluded that total greenhouse gas emissions from the production of blue hydrogen are quite high, particularly due to the release of fugitive methane.
Colorado State University has obtained a 5-year, $5-million grant from BP to study mechanisms involved with technology for oil recovery from “watered-out” wells. Typically, wells are abandoned after they are no longer producing oil or gas at a rate that is economically viable.
Well-to-wheel (WTW) greenhouse gas emissions for in situ SAGD and surface mining pathways generated employing GHOST/TIAX/ GHGenius combination and comparison with SAGD, mining and conventional crude oil literature pathways (all results are on a HHV basis). 74% of WTW emissions in our oil sands pathways. Credit: ACS, Bergerson et al.
In this analysis, I examined the relation between crude-oil production and crude-oil reserves in the world overall and in the United States alone. The variable of interest was the amount of crude oil produced as a percentage of proved reserves of crude oil. For the world, production of crude oil in 1980 represented 3.4%
High-density polyethylene (HDPE) grocery bags can be successfully pyrolyzed to alternative diesel fuel, according to a new study by a team from the Illinois Sustainable Technology Center (ISTC) at the University of Illinois, Urbana-Champaign and the United States Department of Agriculture (USDA) Agricultural Research Service ARS.
Neste Oil, the world’s largest producer of renewable diesel (NExBTL), has signed a contingent commercial off-take agreement with Cellana, an algae biomass developer based in the United States. The agreement will enable Neste Oil to purchase Cellana’s algae oil for use as a feedstock in the future for producing renewable fuel.
Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.
A new study finds that as much as 20–30% of the number of vehicle engine exhaust particles larger than 3 nm may be formed during engine braking conditions—i.e., The study also indicates that the particles were non-volatile, formed before the catalyst, and originating from engine oil. Credit: ACS, Rönkkö et al.
Researchers from Ben-Gurion University of the Negev and Ormat Industries Ltd. in Israel report the development of a comercially-viable, one-step catalytic hydrotreating process for the conversion of soybean oil to renewable diesel-type fuel in a paper in the journal Fuel. Steady-state operation was reached after about 150 h.
A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. 20% mineral oils such as extender oils/ softeners.
Results from a new modeling assessment of contamination in the Athabasca Oil Sands Region (AOSR) suggest that officially reported emissions of polycyclic aromatic hydrocarbons (PAHs) in that region have been greatly underestimated. Average emissions densities from Shen et al. are represented by the dashed black line. Click to enlarge.
Biodiesel (fatty acid methyl ester) derived from oleaginous microbes—microalgae, yeast, and bacteria—can effectively displace both petroleum diesel and biodiesel produced from plant oils, according to the findings of a new study by a team from Utah State University. —Wahlen et al. —Whalen et al.
Livestock were the single largest source of methane gas emissions in the United States in 2004, releasing 70% more into the atmosphere than the oil and gas industry as estimated by other inventories, according to a new study by a team from Harvard University, JPL/CalTech and UC Irvine. 1 in the EDGAR v4.2 megatonnes (9.7
Scientists from ExxonMobil, the Georgia Institute of Technology and Imperial College of London have published in the journal Science joint research on potential breakthroughs in a new membrane technology that could reduce emissions and energy intensity associated with refining crude oil. —Thompson et al.
A chemical analysis indicates that the source of oil sheens recently found floating at the ocean’s surface near the site of the Gulf of Mexico Deepwater Horizon oil spill is pockets of oil trapped within the wreckage of the sunken rig. The results are published this week in the journal Environmental Science & Technology.
A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. gasoline demand would have put upward pressure on world oil prices.
Oil palm supplies more than 30% of world vegetable oil production. Its expanding production is driving rainforest destruction and massive carbon dioxide emissions, according to a new study led by researchers at Stanford and Yale universities. Indonesia is the leading producer of palm and palm kernel oil.
Efforts to shift away from fossil fuels and replace oil and coal with renewable energy sources can help reduce carbon emissions but do so at the expense of increased inequality, according to a new study by researchers at Portland State University (PSU) and Vanderbilt University. —Julius McGee.
Researchers at Auburn University and North Carolina State University have shown that using a simple pretreatment process—torrefaction—improves the quality of bio-oil produced via catalytic fast pyrolysis. These disadvantages hinder bio-oil from becoming a feasible solution as an alternate liquid fuel.
Comparison plot showing mass fractions (F m ) of chemically characterized components of lubricating oils and POA. In contrast to BC, POA contains many thousands of organic compounds that are thought to be derived from unburned fuel, unburned lubricating oil, and as byproducts of incomplete combustion. Credit: ACS, Worton et al.
In working to elucidate the chemistry of hydrodeoxygenation (HDO) for the catalytic upgrading of pyrolytic bio-oil to fuel-grade products, researchers at Pacific Northwest National Laboratory (PNNL) have discovered that water in the conversion process helps form an impurity which, in turn, slows down key chemical reactions.
previous studies have followed the general framework of life cycle assessment (LCA), they have focused almost exclusively on quantifying the energy balance and GHG emissions associated with biofuels production. For gasoline, the study reflects the US context in which crude oil is to a large extent imported and refined domestically.
These results indicate that coal and oil are the energy sources leading to most emissions, and that hydro, wind, and nuclear are the energy sources leading to least emissions. On the two extremes, coal and oil result in about 176 times the emissions from hydro.
In this analysis, I examined the relation between crude-oil production and crude-oil reserves in the world and in the United States. The variable of interest was the amount of crude oil produced as a percentage of proved reserves of crude oil. For the world, production of crude oil in 1987 represented 3.0%
By making use of a previously undesired side effect in oil recovery, researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a method that yields up to 20% more heavy oil than traditional methods. It is important to develop non-thermal chemical flooding for the recovery of heavy oil.
In addition to coal mining, other major sources of methane emissions globally include wetlands, agriculture, and oil and gas facilities. The study is one of the first to account for methane leaking from old, abandoned mines. The study is the first to attempt to account for methane escaping from abandoned mines.
Researchers at DOE’s Brookhaven National Laboratory (BNL) have developed a new method to increase significantly the amount of oil accumulated in plant leaves, which could then serve as a source for biofuel production. This represented an approximately 150-fold increase in oil content compared to wild type leaves. —John Shanklin.
Researchers at The Ohio State University have used a chemical looping process to produce hydrogen from hydrogen sulfide gas—commonly called “sewer gas”. Hydrogen sulfide is emitted from manure piles and sewer pipes and is a key byproduct of industrial activities including refining oil and gas, producing paper and mining.
—John Reilly, co-director of the Joint Program and co-author Sebastian Rausch, now at ETH Zurich University, calculated the impact a carbon tax starting at $20 per ton would have using a national economic model that details energy, taxes and household incomes. They found that the tax would raise $1.5 —Rausch and Reilly (2012).
Nanyang Technological University, Singapore (NTU Singapore) scientists have developed a sustainable way to demonstrate a new genetic modification that can increase the yield of natural oil in seeds by up to 15% in laboratory conditions. increase in oil yield (by dry weight) in soybean seeds equates to a jump of US$1.26
Bio-oil-graded upgrading route based on molecular distillation and catalytic cracking. A team at Zhejiang University, China, has developed a novel cracking technology for the upgrading of bio-oil, produced by the fast pyrolysis of biomass, to biogasoline. Credit: ACS, Wang et al. Click to enlarge. Earlier post.).
Researchers at Henan Polytechnic University in China have hydrotreated the oil derived from hydrothermal liquefaction of scrap tires (STO) with waste engine oil (WEO) using five different activated carbon-supported noble metal catalysts—Pd/C, Pt/C, Ru/C, Ir/C, and Rh/C—for the production of liquid fuels.
Commonwealth countries can cut their cumulative oil bill by £2 trillion (US$3.2 Given that about half the Commonwealth’s and world’s oil is used in transport and oil accounts for about 95% of transport fuel use, this could spell economic disaster for the oil importing countries which make up the vast majority of the Commonwealth.
Researchers from Carnegie Mellon University and the University of Pittsburgh have found that the air pollution and greenhouse gas costs of shipping crude by rail are nearly twice as large as those for oil pipelines. Movements of petroleum products, particularly crude oil, have received enormous media attention.
A new Oxford Universitystudy found air source heat pumps to be more efficient than oil and gas heating in cold and subzero temperatures. more… The post Heat pumps are more efficient than oil and gas heating in subzero temps – Oxford study appeared first on Electrek.
For the study, the biodiesel (Fatty Acid Methyl Ester) consisted of a mixture of 80% palm-based methyl ester (PME) and 20% biodiesel derived from waste cooking oil—a typical blending ratio of commercial biodiesel in Korea. No is the corresponding author of the current study.) liter diesel engine and passenger car. 2014.01.089.
Atmospheric tests covering the entire country indicate emissions around 50 percent more than EPA estimates ,” said lead author Adam Brandt at Stanford University. Atmospheric studies that estimate emissions after atmospheric mixing occurs. Atmospheric studies use aircraft, tower, and ground sampling, as well as remote sensing.
A study by a team from North Carolina State University, with colleagues from the Urban Air Initiative and 3DATX Corporation, has shown that non-FFVs (flexible-fuel vehicles) can adapt to a mid-level ethanol blend—specifically E27. The study was commissioned by the Urban Air Initiative. — lead researcher Dr.
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