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Metal particles from the abrasion of brake pads (brake abrasion dust, BAD) may cause inflammation and reduce the ability of immune cells to kill bacteria, similarly to particles derived from dieselexhaust particles (DEP), according to a new study led by researchers at King’s College London. It is estimated that only 7% of PM 2.5
This research, published in the journal Separation and Purification Technology , shows that ozone can be used to remove not only SO x but also NO x from fossil fuel combustion exhaust streams. In this study, to improve absorption performance of SO 2 and NO 2 , we added ozone in exhaust gas. 2018.12.077. 2018.12.077.
In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). All tire emissions figures quoted here are for the whole vehicle, combining wear from the four tires. mg/km for mass and 6.0
TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company.
As it outlined in 2010, Bosch has increased the maximum injection pressure of its CRSN3-25 injection system for medium- and heavy-duty commercial vehicles to 2,500 bar. This increases flexibility in terms of engine design, promotes lower exhaust and fuel consumption levels, and results in even quieter operation.
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 Earlier post.).
Vitesco Technologies, formerly (until September 2019) the Continental Powertrain Division, has won a major contract from an European vehicle manufacturer for the supply of innovative electric heating elements for diesel catalytic converters. Start of production for the multi-million contract is scheduled for 2022.
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. —CARB Vehicle Program Specialist Dr. William Robertson. g/hp-hr NO x emissions). —Bryan Zavala.
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.
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.
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%.
One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.
At the 17 th Supercharging conference this week in Dresden, Controlled Power Technologies (CPT) will launch what it says is the first water-cooled electric supercharger developed for “quasi-continuous” boosting of commercial diesel engines, including those developed for off highway applications. tonnes gross vehicle weight.
Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. ” One of our primary goals and objectives is to level the playing field for clean dieselvehicles.
Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty diesel engine this year; the engine will deliver increased fuel efficiency and compliance with the strictest emissions standards such as Euro VIe. Newly-developed exhaust gas aftertreatment system. Warm side (top) and cold side (bottom) of OM 471 engine.
IAV has developed a particularly closed-coupled dieselexhaust gas aftertreatment (EAT) system. Future diesel powertrains will need to be capable of meeting limit values that are even tighter than EU6. This way, exhaust gas flows through DOC and SCRF before it enters the turbine. Topology of the variants.
A research consortium led by Ford Research and Innovation Center Aachen is currently investigating the technical conditions under which dieselvehicles can run on dimethyl ether (DME) as an alternative fuel. Photo: TEC4FUELS Technical adaptations are required to enable existing and new vehicles to run on dimethyl ether.
The Cruze Diesel is identified by a discreet badge on the trunk. US buyers hunting for a non-premium diesel passenger car (i.e., not a truck or SUV, and not a vehicle from BMW, Audi, Porsche or Mercedes-Benz) have until recently only had Volkswagen-brand cars as an option: Beetle, Golf, Jetta, Passat. of sales of the vehicle.
Since 2018, Volkswagen has used only SCR exhaust gas treatment systems with its diesel engines. SCR (selective catalytic reduction) technology significantly reduces nitrogen oxides in the exhaust gas. The twin dosing process requires a second SCR catalytic converter which is located in the underbody of the vehicle.
At the IAA Commercial Vehicles Show, Cummins introduced a concept emissions control system capable of minimizing emissions to levels previously thought unfeasible, including a possible next level of Euro VII regulations anticipated during the coming decade. Low NO x integrated system concept from Cummins.
New Duramax 4-cylinder diesel. Chevrolet Sales Thailand introduced the new-generation MY14 Duramax four-cylinder turbo-diesel engine in 2.5- liter diesel delivers 11% more power and 6% more torque, while consuming 4.3% When we launched the first generation Duramax four-cylinder turbo-diesel engines two years ago, both the 2.5-liter
Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. Delivery of the first vehicles begins in spring of 2019. The GLE 400 d is the most powerful series-production diesel SUV ever offered by Mercedes-Benz.
The researchers found that biodiesel has many advantages over regular diesel even in a very low blend percentage, including low emissions of particulate matter, combustion elements (mainly sulfur), elemental carbon, and carbon monoxide. Ultra-low-sulfur diesel (ULSD) was used as base fuel.
The Abfallentsorgungs-Gesellschaft Ruhrgebiet mbH ( AGR ), a waste management company in Herten, North Rhine-Westphalia, Germany, has put a converted DAF CF 340 hydrogen fuel cell truck into operation as part of the EU-funded HECTOR (Hydrogen Waste Collection Vehicles in North West Europe) project.
Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for dieselvehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017.
Fiat 500L running in the Bosch Diesel Challenge. MultiJet II 105 HP diesel with Start&Stop, covered the 800-kilometer (497-mile) route from Turin to Paris on an average of 27 liters (7.1 MultiJet II 105 HP diesel with Start&Stop, covered the 800-kilometer (497-mile) route from Turin to Paris on an average of 27 liters (7.1
Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.
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.
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. Terry Alger, assistant director in SwRI’s Engine, Emissions and Vehicle Research Division. Overall, the engine offered a 13.1%
GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. This announcement follows GMZ’s June 2014 demonstration of its 200W diesel TEG.
Areas of work being focused on by Volkswagen include the development of a high-performance diesel engine delivering 100 kW (134 hp) per liter of displacement and a new 10-speed dual clutch gearbox that reduces fuel consumption. EA 288 MDB Diesel engines. Diesel Engines Fuel Efficiency Hybrids Plug-ins Vehicle Manufacturers'
Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. l/100 km; combined CO 2 emissions: 259-252 g/km) is equipped with an OM 656 diesel( earlier post ). This heats up the exhaust system without driving up fuel consumption. The new G 350 d (fuel consumption, combined: 9.8-9.6
Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The US Army, after seeing the demonstrated capability of the Advanced Combat Engine, has committed to expanding the family of engines by creating opposed-piston engines for tactical vehicle engines.
l/100 km) for a vehicle of that size. In 2013, the Cummins-led team demonstrated a Tier 2 Bin 5 version of the engine on the dyno, and then on a vehicle, while development of the Tier 2 Bin 2 engine started. diesel weighs 362 lbs (164 kg), while the ECS weighs 152 lbs (69 kg). Exhaust system configuration.
Power management company Eaton’s Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles. CDA technology can benefit vehicle manufacturers facing tightening emissions standards in Europe as well.
The scientists intend to provide sound data on the combustion process, efficiency and environmental impact of DME in the commercial vehicle sector. The diesel engine on the Empa test facility was tuned to DME. An electrically driven compressor for precise exhaust gas recirculation is also used. Image: Empa. —Patrik Soltic.
Auckland (NZ) Transport is beginning a 2-year trial of a 3-axle hydrogen fuel cell bus.The trial will assess operational performance how operating costs compare to diesel and electric buses of similar configurations. The bus carries 43 seated and 31 standing adults.
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 powertrain range for the Estate, which includes diesel, gasoline and hybrid options, features a new 1.6-liter liter 4-cylinder diesel (OM 626) produced by Renault. The new Estate’s gasoline and diesel engines with ECO start/stop function comply with the Euro 6 emissions standards. Click to enlarge. Displacement (cc).
Audi has introduced the latest version of the SQ5 TDI diesel. The SQ5 TDI was first introduced in the fall of 2012 as the first Audi S model powered by a diesel engine. An actuator in the exhaust system, as fitted to the first SQ5 TDI, gives the V6 a sonorous sound. lb-ft) of torque. Many details of the V6 3.0 liters (0.2
Relative (percent) CO 2 emissions benefit of the new natural gas variant as compared to the 220 kW diesel engine. liter Euro VI M 936 inline six-cylinder diesel. CO 2 emissions are up to 22% below those of diesel (during high-load conditions), even with the lower efficiency of an Otto-cycle SI combustion engine relative to diesel.
On-road heavy-duty vehicles are an essential part of the state’s economy. These vehicles are also significant sources of oxides of nitrogen (NO x ) and particulate matter (PM), contributing nearly 31% of all statewide NOx emissions as well as 26% of total statewide diesel PM emissions. Source: CARB.
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.
Eaton and Cummins also announced that their popular SmartAdvantage Powertrain package is being expanded to include applications for the ISX12 diesel engine and ISX15 SmartAdvantage applications up to 110,000 lb gross vehicle weight (GVW). Diesel Engines Heavy-duty Natural Gas' Click to enlarge. SmartAdvantage ISX12.
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