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This results in a range increase of 30% to 50% in comparison to existing electric vehicles with four seats on the market today— 215 km (134 miles) urban and 135 km (84 miles) highway on the Artemis cycle. kW, 260 - 520 V DC out, programmable, water cooled, CAN. water cooled. electric power steering. V DC out, max.
Start-up Bright Automotive, which in May unveiled its IDEA concept series plug-in hybrid light commercial van ( earlier post ), will convert VW Transporter vans with the series hybrid Bright powertrain as a bridge between the concept and the production version of the IDEA.
Researchers from SRI International (SRI) are developing a methane-and-coal-to-liquids process that consumes negligible amounts of water and does not generate carbon dioxide. Lifecycle GHG comparison. Water consumption less than 235 kg/barrel. Top: Conventional F-T process. Bottom: SRI process. Click to enlarge. Click to enlarge.
Researchers at Wakayama University in Japan have produced a mixture of hydrogen and carbon monoxide gas by irradiating a mixture of carbon powder and distilled water with intense nanosecond laser pulses at room temperature. Photographs of a bottled mixture of Bincho-tan powder and water (a) before, (b) during, and (c) after irradiation.
Water consumption intensity of ethanol from corn grain and crop residue and the avoided/displaced water use credits assigned to coproducts: DGS and electricity. In their paper, Mishra and Yeh analyze the lifecycle water requirement consumption and withdrawal requirements of ethanol produced from corn and from crop residue.
Researchers at Applied Research Associates’ (ARA) Florida Research Laboratory are developing a catalytic hydrothermolysis (CH) process to convert triglycerides (e.g., To overcome these shortcomings, a novel technical approach based on high-temperature water chemistry, known as catalytic hydrothermolysis (CH), has been proposed.
However, the resulting bio-oils are typically high in oxygen, water, solids and acids. The zeolite catalyst then converts these hydrogenated products into light olefins and aromatic hydrocarbons in a yield as much as three times higher than that produced with the pure pyrolysis oil. earlier post.). Credit: Science , Vispute et al.
The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! As a comparison point, in 1976, the first Golf GTI delivered 140 N·m at 5,000 rpm.) Due to its special coating, it works in parallel as a regular catalytic converter.
The e-Bio Fuel Cell system featured an an SOFC stack and an on-board reformer to convert 100% ethanol or ethanol-blended water (55% water, 45% ethanol) to hydrogen. Dilution of ethanol with water increases safety, and is expected to suppress anode coking by increasing the steam-to-carbon ratio. … Earlier post.)
Terrestrial bioenergy feedstock crops such as switchgrass, canola and corn have lower environmental lifecycle impacts than algae in energy use, greenhouse gas emissions, and water regardless of cultivation location, according to a new lifecycle assessment by researchers at the University of Virginia. 0.4 ± 0.05. 1.8 ± 0.58. 3.3 ± 0.86.
The motor and the inverter, part of the power electronics which converts the battery’s direct current into alternating current for the motor, have up to now been two separate components. A key feature of the integrated drive unit was therefore the creation of a special cooling water system around the motor and inverter.
volts versus the reversible hydrogen electrode) in CO-saturated alkaline water. For the Nature study, Kanan and Li built an electrochemical cell: two electrodes placed in water saturated with carbon monoxide gas. The challenge was to find a cathode that would reduce carbon monoxide to ethanol instead of reducing water to hydrogen.
Other successful initiatives—highlighted in Ford’s 13th annual Sustainability Report—include reductions in water use, waste-to-landfill and CO 2 emissions as well as improvements in vehicle fuel economy and safety. A total of 37 fabrics now meet the requirements and have been incorporated into Ford vehicles.
Now, a study by researchers at the US Department of Energy (DOE) Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) has found that energy sorghum ( Sorghum bicolor ) behaves more like miscanthus in the way it efficiently captures light and uses water to produce abundant biomass.
Because so much energy is lost turning steam back into water in the Rankine cycle, at most a third of the power in the steam can be converted into electricity. In comparison, the Brayton cycle has a theoretical conversion efficiency upwards of 50%. The recuperator improves the overall efficiency of the system.
Converting oil shale to gasoline via the Alberta Taciuk Processor (ATP)—an above-ground shale retort—results in fuel-cycle greenhouse gas emissions of ~130-150 g CO 2 equivalent/MJ of gasoline produced, according to a new analysis by Dr. Refining of upgraded shale oil. Credit: ACS. Click to enlarge. Combustion of refined liquid fuels.
Outlines the approach for collecting and analyzing the data needed to evaluate the indicator and for making relevant comparisons to other energy options or agricultural systems. Water use and efficiency. Water quality. Provides information on data limitations and highlights potential bottlenecks to data acquisition.
the ocean and surface waters) that received their CO 2 directly from ambient air. Most contemporary DAC approaches utilize energy poorly, as evident by second-law efficiencies for CO 2 separation of 1 to 9% (for comparison, post-combustion capture from coal exhaust attains second-law efficiencies greater than 20%).
Promising avenues include weight savings and extension of the cruising range in comparison with battery-powered solutions; fuel cell concepts may represent an attractive option for long-distance hauling, which requires heavy loads and large cruising ranges. As a result, the charge air coolers used must be resistant to ionized water.
Schematic comparison between direct photosynthetic (top) and algal biomass (bottom) processes. The engineered microorganisms thus function as biocatalysts that use only sunlight, waste CO 2 and non-fresh water to directly and continuously produce diesel-range hydrocarbons, which are compatible with existing infrastructure.
billion cubic feet, bcf) were converted to gasoline, it would produce 450,000 barrels per day, he suggested. Two-step methanol and synthesis in water- and gas-cooled reactors operating along the optimum extraction route. The products also require refining processes to convert the F-T liquids to conventional fuels.
The research, reported in the journal ACS Catalysis , suggests that copper foams could provide a new way of converting excess CO 2 into useful industrial chemicals. The Center, funded by the National Science Foundation, is exploring a variety of catalysts that can convert CO 2 into usable forms of carbon.
The IH 2 process converts virtually any type of non-food biomass feedstock—such as wood, agricultural residues, algae, and aquatic plants. And the process achieves >90% greenhouse gas reductions in comparison to fossil fuels. Earlier post.). —Alan Del Paggio CRI Vice President, Upstream and Renewables.
The team earlier published LCA results finding that terrestrial bioenergy feedstock crops such as switchgrass, canola and corn have lower environmental life cycle impacts than algae in energy use, greenhouse gas emissions, and water regardless of cultivation location. environmental burdens (net energy use, water use, and GHG) per VKT.
The new catalyst is applied in a hybrid photocatalytic-electrolysis system that uses the photocatalytic reaction converting solar energy to lower the electrolysis voltage required for the hydrogen production by water electrolysis. Potential diagram of various reaction mechanisms for hydrogen production via water decomposition. (a)
The basic concept of power-to-gas (or e-Gas, as Audi calls it), is to “store” excess renewable electricity by producing hydrogen, which can then either be converted to methane; injected into the gas distribution grid directly; or used as a vehicle fuel.
In a paper published in the Journal of the American Chemical Society , they reported demonstrating for the first time that CO 2 captured from air can be directly converted to CH 3 OH in 79% yield using the new homogeneous catalytic system. They then heated the solution, converting 79% of the CO 2 into methanol. Click to enlarge.
not produced naturally as are fossil energies, but as the product of converting other resources. The H 2 used in industry is mainly produced by converting natural gas (CH 4 ), which has the downside of emitting CO 2. These minerals contain reduced iron, which oxidizes upon contact with water to produce hydrogen.
The use of ‘water-in-salt’ electrolytes has considerably expanded the electrochemical window of aqueous lithium-ion batteries to 3 to 4 volts, making it possible to couple high-voltage cathodes with low-potential graphite anodes. ) in graphite, a composite electrode containing equimolar lithium halide salts (LiBr) 0.5 (about 4.0 V) and Cl ?
In comparison, the first-gen Mirai was FWD, and the larger stack was placed under a raised section of the passenger compartment floor. An electric air compressor pressurizes the intake air, and a water-cooled intercooler reduces the temperature of the compressed air before it enters the FC stack. seconds.
Hydrogen for reverse water gas shift reaction to avoid producing CO 2 during the process is produced by electrolyzing water, driven by solar power. 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. billion ha.
for GTI’s Integrated Hydropyrolysis and Hydroconversion (IH 2 ) technology, which converts biomass directly into cellulosic gasoline and diesel hydrocarbon blendstocks. Property comparison. The Gas Technology Institute (GTI) has signed an exclusive worldwide licensing agreement with CRI/Criterion Inc.,
Joule’s Helioculture platform uses engineered microorganisms directly and continuously to convert sunlight and waste CO 2 into infrastructure-ready fuels, including ethanol and hydrocarbons (n-alkanes) that serve as the essential chemical building blocks for diesel. Audi is testing different blends of the e-fuels as well as 100% fuel.
In addition, Dow will also provide the technology and expertise related to water treatment solutions and will provide Algenol with access to a CO 2 source for the biorefinery from a nearby Dow manufacturing facility. The result is a CO 2 capture process which converts industrially derived CO 2 into more sustainable fuels and chemicals.
Scientists from Stanford University, SLAC National Accelerator Laboratory and the Technical University of Denmark have identified a new nickel-gallium catalyst that converts hydrogen and carbon dioxide into methanol at ambient pressure and with fewer side-products than the conventional catalyst.
Comparison of O 3. Japan) report in the journal Angewandte Chemie the development of a mesoporous two-line ferrihydrite (2LFh)—ferrihydrite is a widespread mineral composed of iron, oxygen, and water—that could lead to a new generation of ozone filters in electrostatic devices and aircraft applications. Mathew et al.
of China, including Guangdong and Zhejiang provinces and Shanghai, The Bluegas catalytic hydromethanation technology, developed and owned by GreatPoint Energy, directly converts coal into pipeline quality natural gas (99.5% pure methane).
The method uses a recyclable redox mediator (silicotungstic acid) that enables the coupling of low-pressure production of oxygen via water oxidation to a separate, catalytic hydrogen production step outside an electrolyzer that requires no post-electrolysis energy input. A schematic of silicotungstic acid–mediated H 2 evolution from water.
On both drivetrains there is exhaust gas recirculation, an oxidation catalytic converter and a diesel particulate filter. Its external water pump is controlled by engine management so that cooling is only activated while engine operating conditions require it. This thermal management also contributes to reduced fuel consumption.
The resulting aqueous bicarbonate solution can be catalytically converted to a formate solution under much milder conditions than those required for reactions of methanol or methane. to sodium formate in 96% yield at 70 °C in water/THF without additional CO 2. at 20 °C in H 2 O). Our new concept has a number of advantages.
Green hydrogen is produced by pumping seawater onboard, purifying the water and feeding it to electrolyzers. A floating structure also has several other advantages compared to a land-based production facility for green ammonia with i.e. a terrain intervention which is insignificant in comparison.
‘Business-as-usual’ projections of future conversion rates, based on historical rates over the past two decades, indicate that 6–9 Mha of peatland in insular Southeast Asia may be converted to plantations by the year 2020, unless land use planning policies or markets for products change. —Miettinen et al. Chris Malins.
In place of the peatlands, operators will construct upland forest with well-defined drainage channels and subsaline shallow open water wetlands draining into large tailings ponds capped with freshwater. Converting from units of carbon to CO 2 equivalents, this is between 41.8 point out in their paper.
A comparison of estimates of the energy return on investment (EROI) at the wellhead for conventional crude oil, or for crude product prior to refining for oil shale. Oil shale” is shale containing kerogen, a combination of chemical compounds that can be converted into synthetic petroleum. Source: Cleveland and O’Connor.
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