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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.
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. Standard gasoline vehicle.
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. µg/m 3 , respectively.
Solid bars represent low ambient temperature measurements whereas open, dashed bars represent standard temperature measurements. Black carbon has a negative impact on the environment and on human health. mg/mi at standard temperature to 4.3?4.5 mg/mi at standard temperature to 0.01?0.5 Credit: ACS, Chan et al.
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NexTech Materials of Lewis Center, Ohio, has developed a new diesel engine exhaust NO x sensing technology that is able to rapidly and selectively measure nitrogen oxides in diesel engine exhaust streams. Lead organization. Description.
A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. When tested, the device reduced carbon monoxide (CO) by 87%; NO x by 67% and particulate matter (PM) by 44%.
Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.
It is the only diesel engine operating on the road capable of meeting CARB’s 2027 regulation, which requires a 90% reduction in emissions of NO x compared to current standards. The project team also demonstrated that the engine reduces carbon dioxide by 10%. liter engine.
Long-term residential exposure to locally emitted black carbon (BC) from traffic exhaust increases the risk of stroke even in low-pollution environments, according to a study by researchers at Karolinska Institutet and other universities in Sweden. g/m 3 ) of black carbon from traffic exhaust, the risk of stroke increased by 4%.
A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. This can be achieved by direct measurement of the exhaust components. The engine was operated with and without DOC.
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.
Researchers at MIT have developed a new, efficient way to capture carbon that addresses the inherent inefficiencies ( earlier post ) of incumbent technologies, due to their thermal energy losses, large footprint or degradation of sorbent material. Their entire system operates at room temperature and normal air pressure.
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). Making a relevant impact on pollutants requires a whole system approach. —Bryan Zavala.
Using an alternative approach to determine the amount of black carbon (BC) emissions from civil aviation, researchers from the University of Cambridge, MIT, and Forschungszentrum Jülich have estimated that in 2005, total BC emissions from this sector were 16.9 higher than estimates obtained using standard methods (6.3 Click to enlarge.
was measured at more than 8% below the current standard of 460g CO 2 , exceeding the 2027 EPA regulations of 432g of CO 2 over the Supplemental Emissions Test (SET) cycle. Furthermore, the 10.6L
ClearFlame’s engine technology enables low-carbon and carbon-negative fuels to be easily integrated into existing diesel engine platforms, offering a more sustainable and cost-effective solution than diesel fuel while utilizing existing liquid fuel infrastructure.
This sustainable stainless steel has an up to 92% lower carbon footprint compared to the industry average of 6.1 Here, the more sustainable stainless steel will be processed into commercial vehicle exhaust systems with a reduced CO 2 footprint. Production of exhaust systems for commercial vehicles at Wilsdruff.
At the 2 nd International Conference Automotive 48 V Power Supply Systems , held last week in Düsseldorf, Germany, Controlled Power Technologies (CPT), a major sponsor of the event, together with leading car makers and Tier 1 suppliers, argued the need for an internationally agreed 48V electrical standard. Click to enlarge. The conference.
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
If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.
Staff estimated the carbon intensities (CIs) for biomethane produced under two alternative scenarios; under the first scenario, the CI of biomethane is 10.86 In this model, the majority of the biogas is allocated to the production of renewable power using a device such as a gas-fired turbine with an exhaust heat recovery system.
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).
Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. With the near-engine insulated configuration, exhaust-gas aftertreatment does not suffer great levels of heat loss and generates extremely favorable operating conditions.
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.
The fuel supply can be freely combined according to user needs and the basic conditions of fuel production, storage and transportation, which is a highly adaptable, flexible and controllable zero-carbon/low-carbon power solution. Li Hanyang, Secretary of the Party Committee and Chairman of Yuchai Group, ignited YCK16H.
The engines, which are capable of operation on green methanol and conventional fuel-oil, represent the first order for the G80 bore size; they will also feature MAN Energy Solutions’ proprietary EGR (Exhaust Gas Recirculation) systems. —Thomas S.
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. Power is transferred to the front wheels via the standard seven-speed S tronic. The A3 Sportback 30 g-tron 1.5 TFSI engine produces 96 kW (131 PS) and generates 200 N·m (147.5
The enhanced D13 Turbo Compound (D13TC) engine from Volvo Trucks is now standard on all Volvo VNL models, providing enhanced fuel efficiency and reducing overall cost of ownership. Volvo Trucks North America’s latest-generation D13 Turbo Compound engine is now standard on all VNL models.
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.
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.
The 2014 Corvette Stingray is the most powerful standard model ever, with a new LT1 6.2L The LT1 is backed by a choice of active exhaust systems that are less restrictive than the previous generation, due in part to an increase in diameter from 2.5 An available dual-mode active exhaust system offers a 27% improvement in airflow.
The Silverado and Sierra will be available in standard and long box, with either two- or four-wheel drive. The Vortec engine features hardened exhaust valves and hardened intake and exhaust valve seats. The trucks use a 17-gallon Type 3 CNG tank made from composite material with aluminum liner and carbon fiber wrap.
The in-house thermal insulation materials can withstand a high temperature of up to 1200°C, which is equivalent to putting a layer of heat-insulating skin on the battery cell surface, and it provides four layers of ultimate safety protection through rapid heat exhausting channels set for extreme circumstances and active safety BMS.
Projected range for the Furtive eGT is: 360 km (224 miles) over an urban cycle (ECE15 standard). 310 km (193 miles) over a combined cycle (NEDC standard). 287 km (178 miles) over a highway cycle (EUDC standard). The air in the cabin is recycled automatically to reduce the nuisance caused by exhaust gases from other vehicles.
Using barium oxide nanoparticles, a team of researchers led by Georgia Tech has modified the surface of conventional anodes for solid oxide fuel cells (SOFCs) to enable operation at lower temperatures (750 °C) with carbon-containing gases—e.g., gasified coal—by eliminating the coking problem. —Yang et al.
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.
The ICCT projects that a decline in diesel shares down to 15% in 2025 would not interfere with meeting EU CO 2 standards and would actually decrease costs of meeting CO 2 standards.17. On top of the higher energy density of diesel fuel, diesel engines historically possessed a number of efficiency advantages over gasoline engines.
The project aims to help HDV fuel efficiency by developing a more efficient exhaust aftertreatment system. Often diesel engine fuel efficiency is reduced by having to comply with exhaust emission standards. It is hoped that the new exhaust system developed by this project will effectively remove this constraint.
Researchers at the Korea Institute of Machinery and Materials (KIMM) have developed a new hybrid reactor for automotive exhaust aftertreatment that combines plasma and a honeycomb-structured monolith catalyst resulting in an enhanced synergistic effect of low-temperature catalytic activity. catalyst reactor. Credit: ACS, Kang et al.
The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.)
2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.
Using biogas further improves the carbon footprint. As described in a paper presented at the 35 th International Vienna Motor Symposium in May, with the advent of the new Euro VI emissions standard, Mercedes-Benz made a decision to develop a new engine program based on the new model series of the OM93x diesel engine. Click to enlarge.
Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles.
Regulations on exhaust emissions from ships are becoming stricter and the demand for compliant ships is increasing. An LNG-fueled vessel, such as Tsuneishi Shipbuilding’s Kamsarmax vessel, can significantly reduce sulphur oxides (SO x ), nitrogen oxides (NO x ), and carbon dioxide (CO 2 ) in engine exhaust gas.
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