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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. Then, an ultra-fine spray of urea solution is dispersed into the exhaust stream for catalytic NO x reduction.
A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. Many papers have described high-temperature steam reforming of ethanol at around 600 °C but.this temperature is too high to be driven by engine exhaust.
This third generation Golf BlueMotion will be launched into the market in summer 2013. This Golf concept, powered by another new 1.6-liter liter TDI (turbodiesel) consumes 3.2 l/100 km (73.5 mpg US), equivalent to 85 gCO 2 /km. The 81 kW / 108 hp Golf BlueMotion is a five-seater that is capable of 202 km/h (125 mph). l/100 km (52.3
Exagon intends to build a small production series of the Furtive eGT starting in 2013. The air in the cabin is recycled automatically to reduce the nuisance caused by exhaust gases from other vehicles. The Furtive eGT, introduced earlier this year at the Paris Motor Show, features motors from Siemens and batteries from Saft.
The bulletin also extends the procedures to cover many Duramax-equipped vehicles built for model year 2013. GM reports an “increasing number” of engine, transmission, diesel oxidation catalyst, and exhaust particulate filter failures in vehicles that have been retrofitted with non-GM engine and/or transmission software calibrations.
At the Frankfurt Motor Show, Lexus introduced the fourth model—and the second hybrid—in the GS range, the GS 300h hybrid, which will be launched at the end of 2013. The full hybrid drive system combines a 105 kW/143 DIN hp electric motor with a 2.5
Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which diesel exhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough. Robinson, Mark A. Birrell, John J.
The thermodynamics of the engine are virtually identical to the company’s previous CCI (Compact Compression Ignition) design, as described in a 2013 SAE paper, but are implemented in a much more conventional way. It expands all the way to ambient pressure before the exhaust stroke. All valves are actuated by overhead cams. Graves, R.
the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al.
The program is the third and final part of the EU-funded project HySeas (HySeas III) which has been running since 2013 to prepare and demonstrate a scalable hydrogen system for ships and ferries. Kongsberg has tested and verified a full-scale, full-size, zero-emissions drivetrain powered by hydrogen fuel cells designed for ships and ferries.
In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. Ford Focus wall-guided, stoichiometric GDI vehicle (GDI#2) and a 2013 2.0L —Chan et al.
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. Weaver (2013) Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development (DOE 2013 Merit Review).
Since forming in 2013, Argent Materials, a San Francisco Bay Area recycler of concrete and asphalt, and supplier of aggregate such as crushed rock, entry, cutback, sand, backfill and base rock for construction projects, has diverted more than a billion pounds of waste from local landfills. Our experience has been positive.
In 2013, CARB contracted SwRI to investigate potential approaches for achieving an ultra-low NO x target in three stages. While the aftertreatment configuration provided a potential solution to meet the ULN target, a complicated approach was required to overcome challenges from low temperature exhaust.
The 2014 Ram ProMaster will go on sale beginning in the 3 rd quarter 2013 and will join the smaller Ram Cargo Van as an additional van offering to compete with other full-size commercial vans. In the 2013 Ram Heavy Duty pickups, the top-line Cummins engine makes 385 hp (287 kW) and 850 lb-ft (1,152 N·m) of torque.
This is likely a result of a changing combination of exhaust gas recirculation and fuel distribution such that less cylinder-to-cylinder variation is present (e.g. The balancing is effective, but due to exhaust gas recirculation imbalance, a single adjustment setting does not apply to both conventional and low-temperature combustion modes.
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.
Source: Crane (2013).Click Tenneco and Gentherm (formerly BSST/Amerigon) are part of a US Department of Energy (DOE) consortium actively developing a thermoelectric generator (TEG) for capturing waste exhaust heat in vehicles and converting it to electrical energy to be used to power electrical systems within the vehicle.
The catalyst removes the gaseous pollutants and now also solids such as particulates from the exhaust gas flow. The well-known three-way conversion catalyst—in use in North America since 1976 and in Europe since 1986—is now capable of removing considerably more than 95% of the undesired substances from the exhaust gas flow.
The team found that Brønsted acid sites on the external surface of a microporous silicoaluminophosphate (SAPO) catalyst support act as a promoter for exhaust gas purification, effectively enabling the reduction in loading. An open-access paper on the work is published in the journal Scientific Reports.
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.
Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. A practical powertrain system with robust PPCI combustion is needed, including injection, valvetrain, boost, and exhaust subsystems. Valvetronic 2013. kWh and FSN 0.1,
Cast aluminum oil filtration adaptors, exhaust manifolds, differential carrier, brake rotors, oil pan, differential case casting and even rear axles were prototyped with the technology, specifically utilizing selective laser sintering, stereolithography and 3D sand casting. F-150: Exhaust manifolds for the 3.5-liter
Europe is the world’s fastest growing hybrid market; sales increased by 34% in 2013, with the region accounting for 12% of total global hybrid sales. The Yaris Hybrid sold 49,774 units in 2013, and the Valenciennes French factory has recently produced its 100,000 th Yaris Hybrid. A 4-cylinder, 1.33-liter liter gasoline engine and 1.4-liter
All Three variants will arrive in US showroom as 2014 models in fall of 2013. BMW Advanced Diesel technology includes Selective Catalyst Reduction exhaust aftertreatment. The 328d Sedan will be available in rear wheel drive and also with xDrive, BMW’s all-wheel drive system. The sedans will be joined by the 328d xDrive Sports Wagon.
TSI with automatic cylinder deactivation (ACT) ( earlier post ) received the “Best New Engine Award” at the 2013 International Engine of the Year Awards 2013 at Engine Expo in Stuttgart, Germany. Afterwards, the system closes the intake and exhaust valves of cylinders 2 and 3; engine ignition only occurs once per crankshaft revolution.
The Williams F1 Team launched its 2013 race car, the FW35, at the Circuit de Catalunya in Spain on 19 February 2013; the latest Williams racer features improvements in several key areas over last year’s race-winning FW34. The FW35 features a Renault RS27-2013 2.4L
General Motors is introducing compressed natural gas (CNG) bi-fuel versions of the 2013 Chevrolet Silverado and GMC Sierra 2500 HD extended cab pickup trucks. The Vortec engine features hardened exhaust valves and hardened intake and exhaust valve seats. Bi-fuel Chevrolet Silverado. Click to enlarge.
In a paper presented at the 2013 SAE World Congress, a team from the University of Wisconsin reported a gross indicated thermal efficiency of Reactivity Controlled Compression Ignition (RCCI) operation of near 60%, given optimized combustion management and thermodynamic conditions. Splitter, D., Wissink, M., DelVescovo, D., and Reitz, R.,
Valve train (exhaust). Exhaust gas energy is increased, which accelerates the warm-up of the under-floor catalyst. The exhaust feed to the under-floor catalyst has already been purified by the CC catalyst. Development of a New Two-Motor Plug-In Hybrid System,” SAE Technical Paper 2013-01-1476, 2013, doi: 10.4271/2013-01-1476.
LS7 engine from the 2013 Corvette Z06 from 1,000 to 4,000 rpm. 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. Click to enlarge.
EPA will fund: Verified Exhaust Control Technologies: EPA will fund up to 100% of the cost of eligible verified exhaust control technologies. Applicants cannot request more than $2 million in federal funding—proposals requesting more than $2 million in federal funds will not be reviewed.
Like other high-efficiency concepts, GDCI has low exhaust temperatures; unlike some others, however, GDCI relies heavily on fuel injection strategy to ensure proper combustion, the Delphi engineers noted. 2013) Boost System Development for Gasoline Direct- Injection Compression-Ignition (GDCI). Engines 6(2) doi: 10.4271/2013-01-0928.
In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Ti-VCT V-8 and 3 mpg higher than a Ram V8, Sierra’s new V-8 highway fuel economy estimates also measure higher than those of the 2013 Ford F-150 EcoBoost V-6 (23 mpg for the Sierra, 22 mpg for the Ford EcoBoost F-150), GM noted.
Protective enrichment occurs when a vehicle’s engine is at a high load point such that the exhaust temperatures may become great enough to damage the catalyst or other components: damage is avoided by injecting extra fuel (rich fueling) which produces lower temperature exhaust. Thomas, H-L.
EPA will fund: Verified Exhaust Control Technologies: up to 100% of the cost of eligible verified exhaust control technologies. Verified/Certified Engine Upgrades: up to 40% of the cost (labor and equipment) of eligible engine upgrades. Certified Engine Repower: up to 40% of the cost (labor and equipment) of an eligible engine repower.
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.
D-EGR is an engine and control concept that combines fuel reforming to produce hydrogen with high levels of exhaust gas recirculation (EGR) to achieve very high levels of thermal efficiency. In 2013, SwRI reported a 2.0-liter
All the engines comply with the future Euro VI emissions standard, which will be mandatory in the EU from 2013/14. The engines also feature a cooled exhaust gas recirculation system. The actuation of the engine’s intake and exhaust valves, which are arranged in parallel, is governed by two overhead camshafts.
The internal combustion engine will produce power through consumption of traditional carbon-based fuel, while electrical energy will be harvested from both exhaust and braking by two discrete motor generator units. New FIA regulations are driving energy efficiency levels higher this year, with two types of energy propelling the cars.
The original project target was Tier 2 Bin 2 emissions, but in August 2013, it was agreed to shift that to the Tier 3 target—essentially the same with combined NO x and NMOG emissions, but more strict with CO and PM. Installed in a 2013 Fusion. Split, parallel, cross-flow cooling with integrated exhaust manifold.
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. Exhaust system configuration. 2013) “Cold Start Concept (CSC): A Novel Catalyst for Cold Start Emission Control,” SAE Int. Weigert, E., Fuels Lubr.
diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. Exhaust aftertreatment will be provided by a simple, maintenance-free three-way catalyst (TWC). Cummins Westport Inc. has begun development on the ISB 6.7G, a mid-range 6.7-liter The ISB6.7
The HP loop recirculate exhaust from exhaust manifold to intake manifold via an HP EGR valve; there is no physical EGR cooler in the HP loop. AN exhaust throttle and LP EGR valve work together to control mass flow rate. 2013) “Thermodynamic Systems for Tier 2 Bin 2 Diesel Engines,” SAE Int. —Suresh et al.
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