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Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.
Detroit Diesel will pay $28.5 million in a settlement with the US Environmental Protection Agency (EPA) and the US Department of Justice (DOJ) to resolve alleged violations of the Clean Air Act for selling heavy-duty diesel engines that were not certified by EPA and did not meet applicable emission standards.
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. Click to enlarge.
New research from North Carolina State University found that federal requirements governing diesel engines of MY 2010 tractor trailer trucks have resulted in major cuts in real world emissions of particulate matter (PM) and nitrogen oxides (NO x ). A 2010 truck emitted 2 grams of NO x per gallon of fuel—a decrease of 98%.
KG have agreed to restructure their collaboration in the area of dieselexhaust-gas treatment, with Bosch planning to acquire all the shares in Bosch Emission Systems GmbH & Co. BESG will continue to offer exhaust-gas treatment systems. BESG will also continue to supply DEUTZ with systems for exhaust-gas treatment.
Capstone Turbine Corporation has demonstrated with its 30 kW microturbine emission levels compliant with the Environmental Protection Agency (EPA) and California Air Resources Board (CARB) 2010 requirements for Heavy Duty Diesel Engine (HDDE). Tests were conducted at Capstone’s development test facilities in Van Nuys, California.
A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. SAE 2010-01-2107. —Musu et al.,
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle. Click to enlarge.
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.
In a paper to be presented at next week’s 2010 SAE World Congress in Detroit, LiquidPiston, Inc. The paper describes LiquidPiston’s third-generation engine prototype, which was first test-fired in January 2010. Imagine what you could do with a light weight, quiet, 20 HP diesel engine the size of a shoe box.”. Earlier post.)
The Cruze Diesel is identified by a discreet badge on the trunk. US buyers hunting for a non-premium diesel passenger car (i.e., Accordingly, Volkswagen of America (VoA) diesel sales to date in 2014 represent slightly north of 23% of all Volkswagen of America sales. Click to enlarge. of sales of the vehicle. Earlier post.)
Contribution of gasoline and dieselexhaust to SOA over 0% to 50% diesel fuel use. SOA contributions from the two sources are equivalent at 6% diesel fuel use. These compounds in un-burned gasoline and diesel fuel dominate vehicular emissions of reactive gas-phase carbon that have the potential to form SOA.
Researchers from the General Motors Global Research and Development, Chemical Sciences and Materials Systems Lab have developed and demonstrated the use of strontium-doped perovskite oxides as efficient platinum substitutes in diesel oxidation (DOC) and lean NO x trap (LNT) catalysts. Tags: Catalysts Diesel Emissions. Science Vol.
KG have signed an agreement to set up a joint venture in the area of dieselexhaust aftertreatment. These complete systems include electronic control and, if required, also optimized burner technology for the regeneration of diesel particulate filters. The new company is to start operations in January 2010.
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. g NO x /bhp-hr) or interim MY 2010 (0.5
Capstone Turbine Corporation has released configurations of the C30 compressed natural gas (CNG) microturbine that meet or exceed emissions standards, including the US Environmental Protection Agency and California Air Resources Board (CARB) 2010 requirements for On-Road Heavy Duty Diesel Engines (HDDE) for Urban Bus. Earlier post.)
DENSO Corporation has improved the temperature detection accuracy of its newly developed dieselexhaust temperature sensor. To improve the sensor’s temperature accuracy, DENSO increased the probe length to almost twice that of the conventional product and extended the sensing tip into the exhaust pipe.
EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-02 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports.
SSSKK) plan to begin trials on 1 July of a diesel-electric hybrid transit bus fueled by a mixture of Fischer-Tropsch diesel (FTD)—specifically, Shell’s gas-to-liquids (GTL) fuel—and hydrogenated vegetable oil (HVO), a type of renewable diesel offering similar characteristics to FTD. (Hino) and Showa Shell Sekiyu K.
EADS Innovation Works is presenting a concept helicopter with a diesel-electric hybrid propulsion system at the ILA Berlin Airshow 2010, 8-13 June. The diesel-electric hybrid concept is one of the projects grouped under the name of eCO2avia by EADS Innovation Works.
Toyota introduced the Auris Hybrid Synergy Drive (HSD) at the 2010 Geneva motor show, marking a significant milestone in Toyota’s planned deployment of the Hybrid Synergy Drive powertrain across Toyota’s entire model range by early 2020s. liter diesel or gasoline hatchback. Earlier post.). Earlier post.). In combination, the 1.8
Detroit Diesel, a Daimler company, previewed its production-intent version of Daimler’s BlueTec technology for emissions control at the Technology and Maintenance Council (TMC) Conference. When compared to non-SCR technologies planned for use in 2010, the Detroit Diesel BlueTec technology will deliver even greater fuel economy advantage.
BorgWarner’s new electric butterfly EGR valve technology will debut with a leading commercial engine manufacturer in 2010. BorgWarner is introducing an electric butterfly EGR (exhaust gas recirculation) valve for diesel applications. The technology will debut with a leading commercial engine manufacturer in 2010.
V9X diesel engine. liter V6 diesel for the European market. Designated V9X, Infiniti’s new V6 diesel develops 175 kW (238 hp) and 550 N·m (406 lb-ft) of torque. For that reason, with the [Renault-Nissan] Alliance we decided to develop our own engine, a performance diesel worthy of the Infiniti badge. The new 3.0L
A discussion paper published by the United Nations Economic Commission for Europe (UNECE) asserts “ with a high degree of reliability that it is misleading to claim that people’s exposure to diesel engines of road motor vehicles is the cause of increased risk of lung cancer. ”. —“Diesel Engines Exhausts: Myths and Realities”.
The new MY2014 Mercedes-Benz Sprinter van for the US now features a 2.1L, 4-cylinder diesel with a t-speed automatic transmission as standard. The familiar V6 diesel is available as an option. liter four-cylinder diesel engine produces 161 hp (120 kW) and 265 lb-ft (359 N·m) of torque at 1,400-2,400 rpm.
Professor Stan Golunski, Deputy Director of the newly established Cardiff Catalysis Institute , in collaboration with engineers at Brunel and Birmingham Universities, is investigating the feasibility of an on-board exhaust gas reforming system to improve combustion and recover waste heat. Energy Environ. doi: 10.1039/b927199f.
TDI diesel engine at the 35 th International Vienna Motor Symposium. The exhaust-turbocharged V6 will come in two versions: 160 kW (218 hp) and 200 kW (272 hp). The new V6 diesel features a number of advanced technologies. The exhaust gas after?treatment Diesel Engines' New generation of the 3.0L Click to enlarge.
The prototype is fueled by diesel, a first step in proving the technology before developing a new LNG fuel system. Motiv suggests that the MkII engine will be up to twice as efficient as a conventional automobile engine and up to 20% more efficient than modern diesel engines. All valves are actuated by overhead cams.
Lines has started a demonstration test of the Diesel Particulate Filter (DPF) system installed on the diesel engine used for power generation on an MOL Group-operated ocean-going vessel. With research support from Nippon Kaiji Kyokai (ClassNK), MOL and Akasaka Diesels Ltd. Mitsui O.S.K.
The Westport GX 2010 15L engine has been certified by the US Environmental Protection Agency (EPA) to 2010 emissions compliance—0.2 g/bhp-hr oxides of nitrogen (NO x ) and 0.01 g/bhp-hr particulate matter (PM)—without the use of emissions credits.
The first study to conduct a comprehensive evaluation of lifetime exposure to new technology dieselexhaust (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.) Earlier post.) ACES background.
has introduced a 6-speed automatic transmission option for the diesel X-TRAIL 20GT. The new diesel model as well as the new revised X-TRAIL both go on sale 16 July in Japan. The Clean Diesel GT20 meets Japan’s Post New Long-term Regulations emissions standards. Nissan Motor Co., Earlier post.)
Iveco, FPT Industrial and Bosch presented the Iveco Trakker Bi-Fuel Ethanol- Diesel vehicle at Agrishow, held last week in Ribeirão Preto, the largest agricultural fair in Brazil. Iveco began the Bi-Fuel engine development in 2010 with technology support from FPT Industrial and Bosch. —Renato Mastrobuono.
BorgWarner BERU Systems will supply two new high-temperature sensors for the 2010 0.8-liter liter diesel-powered smart fortwo coupe, launching later this year in 45 countries. This helps maintain optimal turbocharger performance and enhances the effectiveness of the emissions system in general.
Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
At the SAE 2010 World Congress in Detroit, a series of new papers explored different aspects of strategies and implementations of using boosted HCCI to extend the HCCI engine operating range. The larger turbocharger increases the pumping work since it cannot be run efficiently by the exhaust gases. Robert Scaringe, Wai K.
liter Turbo Diesel engines for Ram Heavy Duty pickups and Chassis Cab trucks while continuing to grow its partnership with Chrysler, which began 21 years ago. million Cummins Turbo Diesel engines for Dodge Ram Heavy Duty trucks since 1989. The first Cummins Turbo Diesel was a 5.9 Cummins Inc. Cummins will supply 6.7-liter
liter Power Stroke diesel 20% more fuel efficient than the 2010 model. In an industry-first customer loyalty program, Ford will provide the power upgrades free of charge to all current owners of a 2011 Super Duty diesel pickup. The 2011 Super Duty diesel pickups in dealer inventory will receive the upgrade as well.
has received certification from the Environmental Protection Agency (EPA) for its 2010 Heavy-duty big-bore ISX15 and MidRange ISB6.7, Certification of these engines means that the Cummins 2010 engine line-up for on-highway applications meets the near zero emissions levels required for all engines manufactured in 2010.
liter V-6 Pentastar engines since production began in 2010. Low Pressure Cooled Exhaust Gas Recirculation (EGR) assists to combine with the high-pressure system to expand the range of EGR usage and to improve fuel economy. A six-speed manual transmission is standard on all Gladiator models equipped with the 3.6-liter Transmissions.
liter dCi diesel engine in the Juke in Europe. The 108 hp (81 kW) diesel boosts maximum torque from 240 N·m to 260 N·m (192 lb-ft) at 1,750rpm, with 80% of this figure available from just 1,500 rpm to improve driveability. Diesel Engines Europe Fuel Efficiency' Nissan is introducing a new 1.5-liter l/100 km (49.8
A team from the California Air Resources Board (ARB) reports on their evaluation of the in-use emissions performance of four different heavy-duty diesel engines certified to the MY 2010 or interim MY 2010 NO x standards over a wide range of driving conditions in California in a paper published in the ACS journal Environmental Science & Technology.
Numerous technologies have been developed to address the need for diesel engines with reduced emissions. The process involves introduction of a low reactivity fuel into the cylinder to create a well-mixed charge of low reactivity fuel, air and recirculated exhaust gases. Tags: Diesel Engines Fuel Efficiency Fuels.
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