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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. Source: Achates Power.
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 ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.
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.
By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.
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.
A team led by researchers from Oak Ridge National Laboratory (ORNL) is developing a lower-cost cast aluminum (Al) alloy capable of at least a 50 ˚C temperature increase over the current cylinder head alloys 319 and 356 for use in light duty engines. Materials for exhaust and energy recovery.
The cleaner engine is able to deliver ultra-low NO x by managing exhaust gas temperatures to ensure rapid catalyst light-off and by maintaining aftertreatment temperatures at optimum operating conditions in all driving conditions.
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range. This way, exhaust gas flows through DOC and SCRF before it enters the turbine.
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.
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. Volkswagen developed twin dosing technology for the exhaust gas treatment. Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing.
The EPA has issued a new rule governing the exhaust emissions of passenger cars and light duty trucks but red states have sued to block it. The post Repugnican States Sue To Block Already Weakened Exhaust Emissions Rules appeared first on CleanTechnica.
. … Chemical analysis of the emissions shows that SOA is mainly produced via photo-oxidation of aromatic VOCs, present in gasoline, from the exhaust. Finally, we present the first online measurements of aged exhaust showing that SOA formation also produces reactive oxygen species (ROS) with potentially detrimental effects on our lungs.
The latest order for 48 vehicles exhausts the number foreseen in the framework agreement concluded in 2014. Passenger comfort will be enhanced by modern LED interior lighting. LED technology will be used for dipped headlights and daytime running lights.
Exhaust gas after-treatment paired with innovative features inside the engine enables the GTI engine to meet the new EU 6AG (Euro 6d-TEMP) emission standard. After flowing through the turbocharger, the exhaust gas is fed directly into the particulate filter. It also comes with a gasoline particulate filter. The 85 kW / 115 PS 1.0
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere.
Tritium, a global developer and manufacturer of DC fast chargers for EVs, and Miller Technology , a supplier of mobile mining equipment for safety and productivity, are partnering to provide fast chargers and light-duty battery EVs for the mining industry. —Paul Summers, Miller Technology’s Lead Battery Electric Vehicle Engineer.
Below this GVW the technology has already been acquired by Valeo as a supercharger for cars and light commercial vehicle applications. Unlike a turbocharger, Cobra is not dependent on the exhaust gases flowing to do its work. tonnes gross vehicle weight. Earlier post.)
Different chemical structures absorb light at specific wavelengths, producing unique spectral fingerprints. The combination of technologies provides simultaneous FTIR and mass spectrometry data, allowing accurate and rapid identification of exhaust stream components.
Due to this individual solution, the battery system could be designed in a particularly light and compact manner. The low weight is also due to the material-saving busbar concept and the light but also stable crash structure of the aluminum housing. four-cylinder engine and electric exhaust-gas turbocharger.
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.
Empa researchers Norbert Heeb and Maria Munoz discovered large quantities of benzo(a)pyrene (red bar)—a combustion product responsible for cutting short the lives of cigarette smokers—in the exhaust gas emitted by GDI engines. Levels in exhaust emissions were found to be as much as 1,700 times above this limit.
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. Earlier post.) This announcement follows GMZ’s June 2014 demonstration of its 200W diesel TEG.
Ethanol was used as the low-reactivity fuel [LRF] and 1-octanol or conventional diesel fuel as the high-reactivity fuel [HRF] to investigate the combustion characteristics, efficiency, and raw emission potential under various operating conditions with a light-duty single-cylinder research engine. —Honecker et al.
Deployed as part of the Volvo LIGHTS (Low Impact Green Heavy Transport Solutions) project, the Volvo VNR Electric trucks will operate in a pilot project through the end of 2021 to demonstrate the ability for battery-electric trucks to successfully transport goods in DHE’s daily routes. Earlier post.).
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.
The exhaust manifold is integrated into the cylinder head—the foundation for the high-performance thermal management system. In such situations, e.g. on a slippery road or in light off-road conditions, this essentially makes the Audi TT offroad concept an e?tron The combustion engine is a turbocharged 2.0 ft) of torque.
A new NREL study has estimated the number, type, and location of the charger infrastructure needed to support 30–42 million light-duty electric vehicles on the road by 2030. Now, NREL researchers have released The 2030 National Charging Network: Estimating U.S.
It applies high-reliability fuel injection system technology, electric-driven closed recirculation technology and advanced exhaust gas recirculation technology to prevent the occurrence of problems such as difficult ignition and unstable combustion in ammonia-fueled internal combustion engines.
six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. Achates will demonstrate the engine in 2018 in a driveable light-duty truck. The light-duty engine is a “basic” Achates opposed piston 2-stroke engine, said Redon—i.e., liter, 3-cylinder (i.e.,
Exhaust cooling starts with the computer-optimized exhaust valve shape and is further enhanced by the integrated exhaust manifold and cylinder head design that uses the same water jacket to lower exhaust gas temperature entering the turbochargers to further improve reliability and performance.
million to SCAQMD for the Volvo LIGHTS (Low Impact Green Heavy Transport Solutions) project. The Volvo LIGHTS project will involve 16 partners, and transform freight operations at the facilities of two of the United States’ top trucking fleets. . The California Air Resources Board (CARB) has preliminarily awarded $44.8
The application of GM’s Active Fuel Management (AFM) cylinder deactivation system is the first on Corvette; it shuts down half of the engine’s cylinders in light-load driving. This is complemented by a reversal of the intake and exhaust valve positions, as compared to the previous engine design. Four-into-one exhaust manifolds.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. Reducing engine-out emissions cuts tailpipe emissions in the crucial period before catalyst light-off and reduces the need for costly aftertreatment systems.
engine include a compacted graphite iron engine block that increases peak cylinder pressure capability; and a new cast-iron cylinder head containing high-temperature capable exhaust valves actuated by all-new hydraulic lash adjusters in the block eliminating the need for valvetrain adjustment service intervals.
The Touareg V8 TDI, generating 310 kW (421 PS) ( earlier post ), is among the first Volkswagens to feature an exhaust purification system that brings NO x to these low level: it emits between just 0.01 Volkswagen has launched a new range of diesel engines (TDI) characterized by extremely low nitrogen oxide emissions (NO x ).
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%
The characteristics of the engine include the stepped-bowl combustion process, two-stage exhaust turbocharging as well as the use of CAMTRONIC variable valve timing. This heats up the exhaust system without driving up fuel consumption. l/100 km, combined CO 2 emissions: 276-263 g/km), the AMG G 63 (fuel consumption, combined: 13.1
Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. kWh and FSN 0.1,
An integrated exhaust manifold that is part of the cylinder head assembly and recovers exhaust heat for faster engine and transmission warmup, with quicker turbo response. Active Fuel Management shuts down two of the cylinders in light load conditions to further conserve fuel. Low valve lift for balance of power and efficiency.
Given its high efficiency and its performance and in light of climate change, the diesel engine will remain an important technology for years to come, especially for those who travel long distances. Demand for diesel cars was particularly strong among private customers, where the share almost doubled from 15% in 2017 to 27% last year.
The e-catalyst enables lowest emissions in real operation—something that is becoming increasingly important in light of forthcoming regulations such as Euro 7. If it is required and restarted, the exhaust flow is also cold at first—possibly too cold to convert pollutant gases in the catalyst.
By harnessing its low carbon content, bio component and high octane number (RON 100), the new alternative fuel emits up to 3% less in CO 2 exhaust emissions quantified using the new Worldwide Harmonized Light Vehicle Test Procedures (WLTP).
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. The A3 Sportback 30 g-tron 1.5 TFSI engine produces 96 kW (131 PS) and generates 200 N·m (147.5 lb-ft) of torque between 1,400 and 4,000 rpm.
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