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The efficient conversion of carbon dioxide, a major air pollutant, into ethanol or higher alcohols is a big challenge in heterogeneous catalysis, generating great interest in both basic scientific research and commercial applications. The key to this is the well-tuned interplay between the cesium, copper, and zinc oxide sites.
In a cohort study of a subset of 2050 newborns from the Children’s Health Study in southern California, researchers at the University of Southern California (USC) found that an increase of 2 standard deviations in prenatal exposure to particulate matter in air pollution was associated with higher newborn total thyroxine (TT4) measures.
BASF researchers have further developed the three-way conversion catalyst and optimized its cleaning effect. The new four-way conversion catalyst, FWC, is a technology for vehicles with gasoline engines. The catalyst removes the gaseous pollutants and now also solids such as particulates from the exhaust gas flow.
AC Propulsion will launch the conversion program by developing the electric propulsion system and conversion process for the full-size vans that are used by service fleets nationwide. The project will include the conversion of three vehicles that will be evaluated by service industry partners to be announced in the coming year.
Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle. Recently, the conversion of NO x into harmless or even useful nitrogen products has emerged as a promising strategy. An open-access paper on the work is published in Nature Communications.
Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). This despite evidence that suggests air pollution impacts from the transportation sector exceed those from greenhouse gases. …
A study of major haze pollution episodes in China in 2013 by researchers from the State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Chinese Academy of Sciences, shows that the formation of secondary sulfate aerosols from SO 2 increases in the presence of NO x. to reduce the overall PM 2.5
The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. The proposed rule would cover conversions of light-duty vehicles and heavy-duty highway vehicles and engines, and would apply to all clean alternative fuels. Vehicle/Engine Age. Applicability.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8
ACIA expects to place 10 firm orders for Universal Hydrogen’s ATR 72 conversion kits with additional purchase rights for 20 more conversion kits of various turboprop types. The conversion consists of a fuel cell electric powertrain that replaces the existing turboprop engines. Universal Hydrogen Co.
The FY 2011-2012 plan focused primarily on five areas of interest: sustainable communities; behavior and technology adoption; health and air pollution exposures; air pollution science; and greenhouse gas targets. These regulations have led to considerable improvements in air quality throughout California.
Diesel to natural gas conversion system. Omnitek’s proprietary diesel-to-natural gas engine conversion kit is used for bus and truck applications, as well as stationary applications. It simplifies the engine conversion process by integrating the ignition control and electronic fuel injection into one control unit.
The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., The updated final rule covers alternative fuel conversion of light-duty vehicles and heavy-duty highway vehicles and engines. Overview of Program Elements. Outside useful life.
These results show that the Opposed-Piston technology is able to meet our sustainable transportation goals, reducing criteria pollutants while also emitting less carbon dioxide. Earlier post.).
Researchers at the US Naval Research Laboratory (NRL), Materials Science and Technology Division have demonstrated novel NRL technologies developed for the recovery of CO 2 and hydrogen from seawater and their subsequent conversion to liquid fuels. Bio-hydrocarbons Carbon Capture and Conversion (CCC) Fuels Hydrogen Production'
million contract to further develop Ocean Thermal Energy Conversion (OTEC) technology, which the leverages ocean’s natural thermal gradient between warmer water at the ocean’s surface and colder water below to produce renewable and reliable power. The US Naval Facilities Engineering Command (NAVFAC) recently awarded Lockheed Martin an $8.12
A team from the US National Renewable Energy Laboratory and the Colorado School of Mines has measured gas phase and particle-associated non-regulated pollutant emissions from a heavy-duty engine operating both with and without a catalyzed DPF and operating on biodiesel fuel.
Effective immediately, applications for the conversion and conversion of seagoing ships to liquefied natural gas (LNG) as marine fuel can be submitted to the German Federal Ministry of Transport and Digital Infrastructure (BMVI). Marine LNG contributes to reducing greenhouse gas and air pollutant emissions.
Babies in strollers can be exposed to up to ~60% higher average concentrations of pollution than their parents, causing potential damage to their frontal lobe and impacting on their cognitive abilities and brain development, according to a study by researchers at the University of Surrey (UK).
According to the R&D engineer of this project, hydrogen fuel cell construction vehicles have five important advantages: The realization of zero pollution with only water and heat being discharged. With a high-torque drive motor and an AMT gearbox, the high-power fuel cell stack features an energy conversion rate of more than 50%.
This strategic alliance with Lishen to finance EVs in the international market for large scale deployment is being explored in other markets where large volume EV fleets are being deployed by governments and institutions to reduce fossil fuel dependency, fuel costs and reduce pollution in the densely populated cities.
This type of artificial photosynthesis can serve as an energy store and thus help to close the carbon cycle and reduce carbon dioxide pollution in the atmosphere. The pilot plant has started up in Marl, the largest Evonik site.
This makes conversion of sulfur dioxide to sulfate more efficient. We need to understand this multiphase chemistry in the atmosphere to design an efficient strategy to manage air pollution and accurately predict future air pollution and climate change impacts.
The conversion of buses to the electric traction will help to increase the share of e-transport rides up to 70%. The e-transport does not use fuel while running and does not emit the polluting substances and harmful emissions during operation. thousand tons. Earlier post.).
The dual-fuel diesel-biomethane powered bus is expected to reduce pollutant emissions and greenhouse gas emissions by around a half. The vehicle can still run on diesel, providing flexibility, but most of the time is running on biomethane gas which is a much cleaner and less polluting fuel. Dual-fuel use is a very attractive option.
Ideally we’d like to develop carbon-neutral cycles for renewable energy, to get carbon dioxide out of the atmosphere and avoid pollution. reacts with triethylsilane in acetonitrile under an atmosphere of CO 2 to produce formate (69% isolated yield) together with silylated molybdate (quantitative conversion to [MoO 3 (OSiEt 3 )] ? ,
The key to this transformation is a patented microwave plasma reactor system that generates these new products from methane efficiently at very high rates of conversion and selectivity.
Pittsburgh Mayor Luke Ravenstahl will be on hand at the cab drivers annual barbecue Wednesday at the PTG garage on Preble Avenue in Manchester to see the first group of an anticipated 55 cabs to undergo the conversion. It’s all part of the green initiative undertaken by our parent company—Veolia Transportation.
Creating a fuel cell engine for these trains would potentially eliminate their emissions and provide a much-needed reduction in air pollution from the railways that serve California’s warehouses and ports. Switcher locomotives are a type of engine for trains that carry goods from ports to nearby warehouses.
Catalytic converters have been used in the US since the 1970s as a way to clean up pollutants from vehicle exhaust. In the catalytic process, rare metals such as platinum, are used in a chemical reaction to convert carbon monoxide and other pollutants to non-toxic carbon dioxide, nitrogen, and water.
What isn’t often discussed is the potential for EVs to reduce noise pollution. With that in mind, here’s a closer look at EVs and their impact on noise pollution. How Are Automakers Reducing Noise Pollution? Reducing pollution starts with EV production. Reduced noise and air pollution are excellent public health outcomes.
Researchers have developed plant-derived biosolvents to enable the sustainable conversion of plastic waste into valuable membrane materials. The post Upcycled plastic membrane could solve plastic pollution problem appeared first on Innovation News Network.
Compared to conventional diesel, Enidiesel+ features a renewable component that reduces polluting emissions by up to 40%, consumption by about 4% and engine maintenance costs. Results from tests of Enidiesel+ have shown major benefits in terms of air quality, the economy and industry.
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. China is seeking to reduce its imports of oil from the current 50% of domestic demand.
New RNG production facilities using the commercial technologies outlined in the analysis could reduce criteria pollutants by approximately 99% compared to existing operational biomass power plants and produce a very low carbon fuel in the base case and below zero in the case including carbon sequestration technologies.
Emissions of non- GHG air pollutants, including air toxics. Emissions of non-GHG air pollutants, including air toxics, from bioenergy feedstock production, processing, transport of feedstocks, intermediate products and end products, and use; and in comparison with other energy sources. Water quality.
This vehicle is designed for use within major cities in India, where air pollution is a very serious problem. AFS supplies electronic engine management controllers, natural gas handling components and associated software to manufacturers of new vehicles and stationary engines, as well as to aftermarket fleet conversion specialists.
Rodeo Renewed is also expected to cut criteria pollutant emissions at the site by 55% and water use by 160 million gallons per year. The facility conversion will create 500 construction jobs and preserve more than 650 jobs, including full-time employees and contractors. million cars off California roads each year.
Our process eliminates waste from going into the landfill, and together with HYZON’s fleets will eliminate emissions pollution. Raven can also easily process natural and renewable gases alone or combined with solid waste. —Matt Murdock, CEO of Raven SR.
Previous studies have shown that it is possible to operate diesel engines with 100% DME, but that this requires significant effort (injection components, combustion process, exhaust gas aftertreatment, tank system) in terms of conversion.
NO conversion versus ramp-up and ramp-down temperatures for MnCe-7:1 (?), The new material is active at temperatures as low as 120 °C with conversion maxima of ~45% higher than that achieved with Pt. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. SmMn 2 O 5 (?),
million in Diesel Emissions Reduction Act (DERA) grants to retrofit, replace, or repower diesel engines resulting in immediate emissions reductions in harmful pollution. Most of the country’s busiest ports are located in or near large metropolitan areas and, as a result, people in nearby communities can be exposed to high levels of pollution.
Clean Alternative Fuel Conversions: up to 40% of the cost (labor and equipment) of an eligible clean alternative fuel conversion. Drayage Truck Replacement: up to 50% of the cost of eligible drayage trucks with a 2011 model year or newer heavy-duty engine.
In a similar way, the full breadth of impacts attributable to conventional gasoline production, such as natural resource consumption and hazardous pollutant emissions, must also be considered in order to make balanced comparisons to biofuels. Process flow diagrams for E85 and gasoline. Credit: ACS, Yang et al.
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