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In 2012, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1). Diesel Emissions Health' Earlier post.). China, India, Brazil) following with a delay of about 5 to 10 years. —Vermeulen et al.
As a result, Argent has offset more than 97 million pounds of carbon from the atmosphere and removed a half-million pounds of trash from the streets of Oakland, California. Now, Argent has switched its fleet from petroleum diesel to Neste MY Renewable Diesel. We have noticed that the exhaust appears cleaner and seems less toxic.
opposed-piston heavy-duty diesel engine has achieved performance results that comply with pending 2027 requirements of the US Environmental Protection Agency (EPA) and California to reduce sharply emissions of nitrogen oxides (NO x ). Achates Power’s innovative 3-cylinder, 10.6L Furthermore, the 10.6L Furthermore, the 10.6L Earlier post.).
In a study of non-metal miners in the US, federal government scientists report that heavy exposure to dieselexhaust increased risk of death from lung cancer. For never-smokers, risk of lung cancer death increased with increasing dieselexhaust exposure. effect of dieselexhaust exposure on lung cancer mortality in.
liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. The project team also demonstrated that the engine reduces carbon dioxide by 10%.
Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions).
A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. 1) with cooled exhaust gas recirculation (EGR) and high compression ratio (13.3:1 Splitter et al.
Startup ClearFlame Engine Technologies announced a partnership with Alto Ingredients, a leading producer of specialty alcohols and essential ingredients, to conduct pilot demonstrations of ClearFlame’s solution for diesel engines using low-cost ethanol in Class 8 trucks. In fact, it increases power by 25%.
Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.
The study, published by the Mineta National Transit Research Consortium (MNTRC), observed a reduction in amount of particulate matter, number of elements, and elemental carbon; the reduction is considered beneficial to promoting the clean air and human health. Ultra-low-sulfur diesel (ULSD) was used as base fuel. µg/m 3 , respectively.
The engine was also equipped with an electrically driven volumetric pump in the exhaust gas recirculation (EGR) path which gives the freedom to set any desired EGR rate, independently from the pressure ratios across the turbocharger. for carbon monoxide, DME, methane, benzene, toluene, acetaldehyde, formaldehyde, formic acid).
Contribution of gasoline and dieselexhaust to SOA over 0% to 50% diesel fuel use. SOA contributions from the two sources are equivalent at 6% diesel fuel use. The United States and California state averages shown are based on total on- and off-road use. The urban areas in California shown are for on-road fuel use only.
For a battery EV, 46% of its total carbon footprint is generated at the factory, before it has travelled a single mile. The study found that some of the CO 2 savings made during the use of low carbon vehicles is offset by increased emissions created during their production, and to a lesser extent, disposal. Estimated lifecycle.
Vehicle technologies span a range from new Si/graphene Li-ion anode materials and composites for motor windings to diesel aftertreatment and advanced lubricants. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NO x Sensor for Diesel Engine Emissions Systems. Lead organization. Description.
Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. The OM 656 six-cylinder diesel engine comes with 243 kW (330 hp) and 700 N·m of torque in the GLE 400 d 4MATIC (combined fuel consumption: 7.5-7.0
A comprehensive assessment of black-carbon climate forcing accepted for publication in the Journal of Geophysical Research: Atmospheres estimates that black carbon, with a total climate forcing of +1.1?W?m Only carbon dioxide has a greater forcing, the international team of researchers who performed the study found.
“Blue” hydrogen—produced through steam methane reforming (SMR) of natural gas or coal gasification, but with CO 2 capture and storage—is being described as having low or zero carbon emissions. Our analysis assumes that captured carbon dioxide can be stored indefinitely, an optimistic and unproven assumption. Energy Sci Eng.
According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.
Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which dieselexhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough. McGilvery, Sheng Hu, Milo SP. Shaffer, Sara J.
CAT-DEF—Catalyzed DieselExhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified dieselexhaust fluid (DEF) solution. The internally funded advancement successfully reduced heavy-duty diesel engine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.
Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.
The Mercedes-Benz OM 654q four-cylinder diesel from the modern OM 654 engine family already complies with the Stage 2 RDE (Real Driving Emissions) standard which does not come into force until 2020, and is certified to Euro 6d. NO x emissions demonstrator.
Emissions of carbon monoxide and hydrocarbons were also significantly below required 2010 levels: 97% and more than 99.9%, respectively. Diesel Emissions Engines Heavy-duty' 2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. Source: CRC. Click to enlarge. CRC Report: ACES Phase 2.
ClearFlame Engine Technologies, a a startup developing net-zero engine technology ( earlier post ), successfully completed an on-road demonstration of its proprietary technology that enables a heavy-duty truck diesel engine to operate on low-carbon and carbon-negative fuels, including 100% renewable plant-based fuels.
PowerCell, a Swedish energy technology company with roots in the Volvo Group, unveiled a functioning full-scale prototype of its PowerPac fuel cell system, which combines an autothermal reformer and a PEM fuel cell stack to convert diesel fuel into electricity. The PowerCell fuel cell design allows for carbon monoxide impurities up to 25ppm.
TGI engine in the Golf operates according to the innovative Miller cycle principle, a combustion process that achieves low carbon emissions thanks to its high efficiency and a compression ratio of 12.5:1. Driving in CNG mode produces around 25% fewer carbon emissions than with gasoline. WLTP fuel consumption is 4.3–4.1 The new 1.5L
At the IAA, MAN (part of the Volkswagen Group) presented a concept diesel-electric parallel hybrid version of its long-haul TGX truck. The MAN TGX concept hybrid will be driven by a parallel hybrid system, supplied by a 440 hp (328 kW) diesel engine and an electric motor with 130 kW drive power. MANs TGX hybrid concept at IAA.
The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. First, the vehicle’s flue gases in the exhaust pipe are cooled down and the water is separated from the gases. Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%.
The aim is to deliver an engine capable of running on carbon-neutral green methanol by 2024, providing shipowners with a power solution enabling them to meet IMO’s 2050 target—and to reach net-zero emissions—with their next generation of vessels. Sulzer started diesel engine manufacturing in 1903 in Winterthur.
Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Overall, the engine offered a 13.1%
Building on the company’s expertise in low-carbon ammonia production, clean ammonia will be manufactured using innovative technology to achieve at least a 90% reduction in CO 2 emissions. Geismar makes two grades of ammonia—conventional “gray ammonia” and low-carbon blue ammonia. Canada-based Nutrien Ltd. Source: Nutrien.
Audi of America is taking a more aggressive stance with diesel in the US, both in terms of product offerings and in policy. diesel engine, more details of which will emerge closer to launch. As of September 2012, a third of Q7 models sold, and more than 55% of A3 models sold, are diesel. Earlier post.) —Scott Keogh.
Audi testing of synthetic ethanol (Audi e-ethanol = Joule Sunflow-E) and synthetic diesel (Audi e-diesel = Joule Sunflow-D), produced in partnership with Joule ( earlier post ) in a pressure chamber and optical research engine has shown that the Audi e-fuels often perform better than their conventional counterparts. Click to enlarge.
The plug-in diesel-electric hybrid, which Volkswagen will showcase at the Geneva show, can cover a distance of up to 50 km (31 miles) in all-electric mode. liter, two-cylinder diesel TDI engine (35 kW / 47 hp), E-motor (20 kW / 27 hp), 7-speed dual clutch gearbox (DSG) and lithium-ion battery. l/100 km (approx. XL1’s engine.
The company’s engine technology enables low-carbon, renewable fuels such as ethanol to be integrated easily into existing diesel engine platforms, offering a lower-emission, lower-cost solution than diesel fuel. Using soot-free fuels also eliminates the need for a Diesel Particulate Filter (DPF).
The remaining carbon dioxide is stored in the tank and reused in onshore methanol production. According to the European Environment Agency (EEA), maritime transport is responsible for more than 3% of the total carbon emissions in the European Union. The researchers at Fraunhofer developed a ceramic membrane coated with carbon.
technology platform with the introduction in June 2020 of iCER—Intelligent Control by Exhaust Recycling—as the first X-DF2.0 technologies will enable improved engine performance with both LNG and future carbon-neutral fuels. Up to 5g/kWh fuel consumption reduction in diesel mode. development. The X82DF-2.0
35% reinforcing agents/fillers such as carbon black or silica; and 15?20% Another material known to contain PAHs used in tire manufacturing is carbon black. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions. Non-exhaust traffic sources of particles. and 0.90?
Ricardo will display the first functional integration prototype of the Advanced Diesel Electric Powertrain (ADEPT) collaborative research project ( earlier post ) in public for the first time this week at the Low Carbon Vehicle Event (LCV 2014) in the UK. 48V Diesel Fuel Efficiency' ADEPT schematic. Click to enlarge.
A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures. The work is published in the journal Nature Catalysis.
The EALABC focus is on the environmental and cost benefits of current and future advanced lead-carbon batteries for 48V hybrid vehicles. Advanced lead-carbon batteries for vehicles currently under development will be capable of operating in the 30 to 70% SoC range at 12.5kW. Earlier post.)
There are widespread policy assumptions that the phase-out of gasoline and diesel internal combustion engines will over time lead to much reduced emissions of Volatile Organic Compounds (VOCs) from road transport and related fuels. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,
The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. ADEPT will also use a carbon-enhanced capacitive lead-acid battery, offering a high power-to-weight ratio.
The backhoe loader is perfectly suited for electrification as the varied use cycles, from heavy to light work, provide an excellent opportunity to convert wasted diesel engine hours into zero consumption battery time—yet provide the operator with instantaneous torque response when needed.
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