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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 exhaustemissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.
Purem by Eberspaecher is introducing efficient exhaust technology for hydrogen engines. At the Hannover Messe, the company will be presenting its H 2 -ICE exhaust system for the first time. The H 2 -ICE exhaust system for hydrogen engines from Purem by Eberspaecher. These systems are now being adapted to the CO 2 -neutral fuel.
A new report released by the Air Quality Expert Group ( AQEG ) in the UK recommends as an immediate priority that non-exhaustemissions (NEE) are recognized as a source of ambient concentrations of airborne PM, even for vehicles with zero exhaustemissions of particles. and PM 10 emissions. of all UK primary PM 2.5
An electric exhaust gas turbocharger, which in future will be used for the first time in a series production model, is already in the final stages of development. This electronically-controlled electric motor drives the compressor wheel before this accepts the exhaust gas flow.
However, during development, the project team was able to exceed the program expectation for engine-out NO x and exhaust temperature control in the catalyst warm-up mode and concluded that the tailpipe NO x targets can be met without the close coupled light-off SCR. The OP engine operates at nearly ideal temperature range.
The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle. The electric exhaust gas turbocharger is a fascinating example of the extensive transfer between Formula 1 technology and the development of production vehicles.
In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. —Cliff et al.
The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.
A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. Future diesel powertrains will need to be capable of meeting limit values that are even tighter than EU6. In modern charged engines, however, exhaust gas aftertreatment (EAT) competes with the turbocharger for heat in the exhaust gas flow.
There is no immediate concern for copper resources, but the average ore grade is declining as higher grade deposits become exhausted. The NWIS comprises mostly gas-fired generation and has a GHG emission factor of 620 g CO 2 -e kWh -1. The emissions factor of electricity for the solar module supply chain is a critical sensitivity.
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). This means that a single technical solution equally covers emission requirements for all currently recognised emissions threshold values up to EU Stage V.
The capability to heat up the catalytic converter rapidly at all times increases the overall efficiency of exhaust-gas aftertreatment. This means that the vehicles will be prepared to meet the future extremely stringent Euro 7 standard. In the extremely slow “Traffic for London” cycle, NO x emissions fell by 62%.
Volvo Trucks unveiled Vera : an autonomous, electric vehicle that can operate with significantly less exhaustemissions and low noise levels. Since we use autonomous vehicles with no exhaustemissions and low noise, their operation can take place at any time of day or night. —Claes Nilsson, President Volvo Trucks.
FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge.
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. New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S.
CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust 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.
In 2020, independent global emissions testing company Emissions Analytics reported that pollution from tire wear can be 1,000 times worse than what comes out of a car’s exhaust. NEEs are currently believed to constitute the majority of primary particulate matter from road transport, according to Emissions Analytics.
In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector. —Walter Piock.
Regulatory regimes seeking to reduce emissions from transport have largely focused on tailpipe emissions—i.e., the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. earlier post ). Background.
Under a joint development agreement signed at the Kormarine 2021 exhibition in Busan last month, the two companies will together develop engine solutions that further reduce greenhouse gas emissions from methane while improving both the engine’s efficiency and footprint for reduced costs. Like all future X-DF2.0 development.
An electrically driven compressor for precise exhaust gas recirculation is also used. Then we modify the timing and pressure of the injection, among other things, and look at exhaustemission values and fuel consumption. This is done via exhaust gas recirculation (EGR). —Patrik Soltic.
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. Euro 7 Vision.
This saves the operator costs and also reduces the CO 2 emissions of the engines. Equipped with the latest exhaust technologies, the MAN D3876 complies with the current and strict EU Stage V emission regulations. As a result, significant savings in fuel consumption can be achieved.
The Brighton & Hove Bus and Coach Company is working with Ricardo and test equipment specialist HORIBA on an advanced research project in the UK that aims to investigate the emissions of a range of buses operating in a modern commercial public transport fleet.
This month, Purem by Eberspaecher starts using Circle Green CO 2 -reduced stainless steel from partner Outokumpu to reduce emissions from the automotive industry. Towards zero emissions, stainless steel plays a major role in our current products as well as future innovations for new drive technologies like the hydrogen engine.
Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger. The all-new 2015 Lincoln MKC small premium utility, unveiled last week, offers an all-new engine—a 2.3-liter
The Crowley design, powered by the expertise of recently integrated subsidiary Jensen Maritime, leverages a large electric battery system and power-saving technology to operate in a fully electric mode while producing zero air emissions or greenhouse gases.
Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.
Hyundai Motor Group has developed the first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. The technology cuts emissions by 12%. T-GDi—the first engine to feature the technology.
Brunel University London is the first to begin researching future powertrain concepts using Camcon Automotive ’s new Single Cylinder Intelligent Valve Technology (SCI). Brunel’s Center for Advanced Powertrain and Fuels (CAPF) plans to use SCI to further investigate the potential and control that digital valves provide.
Researchers have used a novel near-infrared light imaging technique to capture the first cross-sectional images of carbon dioxide in the exhaust plume of a commercial jet engine. The researchers used their new chemical species tomography setup to capture the first images of carbon dioxide exhaust from a commercial aircraft engine.
New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., scrubbers—is responsible for up to 9% of certain emissions of carcinogenic and environmentally harmful substances in the Baltic Sea—considerably more than was previously known.
The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).
A new study by a team from the University of Edinburgh and independent engineering company INNAS BV has found that, when factoring in the additional weight and non-exhaust PM factors, total PM 10 emissions from electric vehicles (EVs) are equal to those of modern internal combustion engine vehicles (ICEVs). Click to enlarge.
The tests, carried out by the Power Systems business unit, showed very good characteristics in terms of efficiency, performance, emissions and combustion. With green hydrogen, these mtu engines can be operated in a CO 2 -neutral manner in the future. For gas engines already installed, Rolls-Royce offers a conversion solution.
A team from the California Air Resources Board (ARB), in partnership with the City of Sacramento, has characterized the in-use emissions from model year (MY) 2010 or newer diesel, liquefied natural gas (LNG) and hydraulic hybrid diesel engines during real-world refuse truck operation. Diesel 2 averaged NO x emissions of 0.66
The report, being released as part of the LowCVP Annual Conference 2011 on 9 June, highlights the increasing importance of accounting for whole life carbon emissions to compare the greenhouse gas emissions of low carbon vehicles. Vehicle Whole Life Carbon Emissions Analysis. emissions in. Estimated lifecycle. production.
In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 CH 4 emissions represented 8.8%
At the company’s 61 st Automotive Press Briefing in Boxberg, Germany, Bosch senior executives outlined the company’s view on the general future of automotive technology—“ efficient and increasingly electrical ”, and provided a thumbnail of the way they see—and thus are developing products for—sector-specific technology trends.
The e-catalyst enables lowest emissions in real operation—something that is becoming increasingly important in light of forthcoming regulations such as Euro 7. The challenge of plug-in hybrids: CO 2 efficiency and low cold engine start emissions. —Rolf Brück, head of Catalysts and Filters at Vitesco Technologies.
with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.
By 2030, the Rolls-Royce business unit is to cut greenhouse gas emissions by 35% compared to its 2019 level through the use of new net zero and zero carbon technologies. Or it relates to fuels such as hydrogen, that would not at all emit CO 2 at the exhaust pipe. Switch to alternatives for combustion engines.
It has been estimated that the replacement of HA-oils will reduce the PAH emission originating from tire-tread-wear by 98%. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions. Non-exhaust traffic sources of particles. Using emission-factor models, 50?85%
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