WHO IARC classifies diesel exhaust as carcinogenic to humans (Group 1)

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After a week-long meeting of an expert working group, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1), based on sufficient evidence that exposure is associated with an increased risk for lung cancer. In 1988, IARC classified diesel exhaust as probably carcinogenic to humans (Group 2A). and reductions in emissions through exhaust control technology.

Wärtsilä introducing portfolio of hybrid tug designs

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The technology group Wärtsilä is introducing a new portfolio of tug designs, to be known as the Wärtsilä HYTug series, with the emphasis on environmental sustainability. Notably, the enhanced efficiency enables the total installed main engine power to be less than with conventional designs.

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Federal-Mogul Powertrain introduces enhanced exhaust insulating sleeves; higher efficiency, lower emissions

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Federal-Mogul Powertrain, a division of Federal-Mogul Holdings Corporation has enhanced its line of ThermFlex exhaust insulating sleeves. ThermFlex can expand to twice its original diameter to accommodate the flanges and bends typically seen on exhaust system components.

New exhaust sleeving provides customizable flexible design for increased emissions performance

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Federal-Mogul Corporation has enhanced its line of Thermflex exhaust insulating sleeves. The optimized design can now be tailored to fit any combination of exhaust pipe and tube geometries, helping to increase efficiency of a vehicle’s exhaust system, while protecting sensitive nearby vehicle components. Additionally, the unique flexible manufacturing process produces an exhaust sleeve that is application-specific, eliminating the need for custom tooling.

Motiv Engines introduces 2nd-generation split-cycle concept; MkII Clarke-Brayton heavy-duty engine being designed for LNG

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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.

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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

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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. According to the findings, diesel exhaust’s contribution to SOA is at max 20%; that leaves gasoline contributing the other 80% or more.

Continental shows off-road exhaust gas aftertreatment solutions

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At Agritechnica in Hanover, the world’s leading trade fair for agricultural machinery and equipment, Continental is presenting exhaust aftertreatment solutions for agricultural and construction machinery.

Novel opposed-piston free-piston linear generator for hybrids seeks to overcome drawbacks of earlier designs

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Design of opposed-cylinder free-piston linear generator from earlier works with single, centered linear generator. Most of this work focused on a similar design: a single linear generator placed between two opposed cylinders, as in the diagram at right from Shanghai Jiaotong.

Corning expands light-duty vehicle exhaust filter capacity in Germany

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The new cordierite-based gasoline particulate filter (GPF) product family is designed to enable a range of system configurations as European car makers prepare to meet the new emissions standards. Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles.

Researchers propose low-temperature SOFC unit for reducing NOx and oxidizing HCs in lean-burn engine exhaust

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Their SOFC system can be operated without consuming the anode fuel (a reductant) at temperatures near that of the engine exhaust to eliminate the need for reductant refilling and extra heating. The NO x concentration in the exhaust of an automotive gasoline engine with spark ignition can be as high as 4000 ppm. Urea-based ammonia selective catalytic reduction (SCR) is one of the most promising methods for NO x removal from diesel engine exhaust.

US study of miners links heavy exposure to diesel exhaust to increased risk of lung cancer death; researchers suggest implications for urban areas with high exhaust concentrations

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In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. According to the investigators, this is the first study based on estimates of quantitative historical exposure to diesel exhaust to yield a statistically significant, positive increase in lung cancer risk with increasing diesel exposure with adjustment for potential confounding from cigarette smoking.

Stena Line seeking novel approaches to recover energy from exhaust gases from ship engines

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Stena Line is seeking novel, cost-effective approaches to recover energy from exhaust gases from ship engines and to transform it into a more useful energy form (e.g., Stena Line said that it is especially interested in industrial-scale applications of thermoelectric generators (TEG) that use the temperature difference between the exhaust gas and the ambient air to directly transform waste heat into electricity. direct exhaust gas turbines.

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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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. This phase started in 2008 with the installation of a specially designed emissions-generation and animal-exposure facility at the Lovelace Respiratory Research Institute (LRRI) and was conducted in two parts.

Continental introducing new solutions for economic and efficient exhaust gas aftertreatment in commercial vehicles

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At the IAA in Hanover (Germany), Continental is presenting new solutions for exhaust gas aftertreatment in commercial vehicles. The technologies being shown are designed to help system suppliers and OEMs meet new exhaust emissions standards such as Euro VI (2013) and US10 /Tier4f. In a SCR system an aqueous urea solution (AdBlue) is injected into the exhaust flow to facilitate the conversion of nitrogen oxides in a catalytic converter.

Borla Performance Industries developing muffler/membrane unit for exhaust water extraction with ORNL nanopore membrane technology

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Borla Performance Industries , a leader in the design and manufacture of stainless steel performance exhaust, has an option to license a novel nanopore membrane technology developed at Oak Ridge National Laboratory (ORNL). Borla will combine this with its diesel exhaust technology to create a low-cost, novel system that doubles as a device to extract potable water from diesel and other internal combustion exhaust.

Reaction Design to add advanced soot particle-size prediction capability to FORTÉ

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Reaction Design, a leading developer of combustion simulation software, is adding the ability to accurately simulate soot particle size distributions, as well as total particulate-matter emissions to the FORTÉ computational fluid dynamics (CFD) package for realistic 3D modeling of fuel effects in internal combustion engines. Founded in 2005 by Reaction Design, the MFC is an industry-led project for the development of cleaner burning, higher-mileage vehicles.

UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

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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.

Model Fuels Consortium and Reaction Design developing predictive modeling software for soot particle size and number

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The Model Fuels Consortium (MFC) II ( earlier post ), led by Reaction Design, a leading developer of combustion simulation software, is developing software that its members can use to simulate accurately the formation of soot particulates. The MFC and Reaction Design have been working proactively to develop soot modeling approaches that help reduce these harmful emissions, as we anticipate that more regulations will follow with increasingly strict limits on particle size and number.

IAV develops new close-coupled diesel exhaust gas aftertreatment system for improved emissions reduction

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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.

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First results from HEI/ACES murine study find few biologic effects from exposure to exhaust from new technology diesel engines

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The few effects that were reported for the rats were mild hyperplasia (cell proliferation) in the lungs and slightly reduced lung function, and were most consistent with exposure to nitrogen oxides in the engine exhaust, which are being further reduced under 2010 US EPA standards now in effect. This phase started in 2008 with the installation of a specially designed emissions-generation and animal exposure facility at the Lovelace Respiratory Research Institute (LRRI).

The exhausting job of carbon-counting. The Green Piece

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Much like calorie-counting, carbon-counting is an annoying and tedious job designed to make you want to pull your eyes out through your ears. Tuesday 11 November, 2012. The Green Piece Column.

New fuel-efficient bulk carrier concept design; DNV estimates new tankers, bulkers and container vessels will be up to 30% more energy efficient by 2020 than newbuilds today

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The Shanghai Merchant Ship Design & Research Institute (SDARI) and development partners DNV and Wärtsilä have unveiled a new Handysize—i.e., ships with a cargo-carrying capability of less than 60,000 metric tonnes—bulk carrier concept design: the Green Dolphin.

GL presents Approval in Principle to new TECHNOLOG LNG container vessel design

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Germanischer Lloyd (GL) has presented an Approval in Principle (AiP) certificate to TECHNOLOG for the LNG-fueled IPP-designed STREAM range of 3,000 TEU to 5000 TEU liner or feeder vessels designed for worldwide service. The entire vessel design concept is focused around saving energy.

Wärtsilä designing first hybrid propulsion system for fish farming ship

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Wärtsilä has been contracted to deliver the ship design for a new processing and transportation vessel to be built at the Balenciaga shipyard in Spain on behalf of Hav Line AS of Norway.

VW new Touareg with new design and new technologies; focus on diesel

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With SCR, the amount of NO x in the exhaust is significantly reduced. In the case of the ''Terrain Tech'' version—the Touareg with special off-road applications and a four-wheel drive system with low range set of gear ratios, designed among things for particularly demanding off-road conditions – there is an improvement from 7.3 Volkswagen has given its Touareg SUV a sharper look and enhanced it technically in all areas.

LNG-fueled “Clean Sky” bulk carrier design developed by COSCO Shipyard Group, Golden Union and Lloyd’s Register receives AIP

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Lloyd’s Register has provided approval in principle (AIP) for the new “Clean Sky” bulk carrier design incorporating an LNG-as-fuel system. Illustration of the Clear Sky class Kamsarmax design. Clean Sky class design Kamsarmax bulk carrier. Draft, design: 12.20m.

Purdue, Notre Dame, Cummins discovery could lead to new SCR catalyst design for improved NOx control

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Researchers at Purdue University, the University of Notre Dame and Cummins have discovered a new reaction mechanism that could be used to improve SCR catalyst designs for pollution-control systems to further reduce emissions of smog-causing nitrogen oxides in diesel exhaust.

Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

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Schematic diagram of the successful “shoebox” reformer design and a picture of the core, after insertion of the catalyst. 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.

DSM Stanyl ForTii used in exhaust gas recirculation temperature sensors

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Royal DSM says a new generation of automotive exhaust gas recirculation temperature (EGRT) sensors is now being made in its Stanyl ForTii high-temperature performance polyamide 4T. With the appropriate design, Stanyl ForTii can withstand a temperature as high as 325 °C on an intermittent basis and still retain all the mechanical properties required for this very demanding application.

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MAN Diesel & Turbo designs LNG-fueled two-stroke ME-GI engine for DNV Quantum 9000 container ship

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MAN Diesel & Turbo has designed an LNG-fueled two-stroke ME-GI engine for DNV’s mew concept Quantum 9000 container ship. The gas supply line is designed with ventilated double-wall piping and HC sensors for safety shutdown.

GM details 2016 Chevrolet Malibu Hybrid powertrain design and operation

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The new engine is fitted with an exhaust gas heat recovery (EGHR) system. An integrated exhaust manifold improves packaging, and, in conjunction with the EGHR system and SVCC catalyst, helps to reduce engine warmup time and fuel use during warmup.

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

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Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. NO conversion versus ramp-up and ramp-down temperatures for MnCe-7:1 (?), SmMn 2 O 5 (?),

New 1.6L diesel in 2018 Chevrolet Equinox related to Opel’s 1.6L CDTi Whisper Diesel

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CDTi Whisper Diesel ( earlier post ) in Europe, and is derived from a common Italian-German-American medium diesel engine design, according to GM. A variable-vane turbocharger enables the engine to deliver more power with lower exhaust emissions and no decrease in overall fuel efficiency. NO x emissions are controlled via a Selective Catalyst Reduction (SCR) after-treatment system that uses urea-based Diesel (Emission) Exhaust Fluid (DEF).

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

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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.

New Tester Measures Urea Concentration in Diesel Exhaust Fluids

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The MISCO Palm Abbe DEF-201 is a handheld digital refractometer designed specifically for testing the concentration of urea-based Diesel Exhaust Fluid (DEF). Diesel Exhaust Fluid for diesel-powered vehicles employing Selective Catalytic Reduction (SCR) technology must be maintained within a very narrow concentration range of less than 1.5%

Constellium providing lightweight aluminium solutions for new BMW 5 Series

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In addition, Constellium designed and produces the rear Crash Management System, including an integrated holder for the exhaust system. For the hood outer panel and fenders, Constellium provides Surfalex with high surface quality and specific hemming and roping properties, which allow sporty designs that are sharp, sleek and striking. Constellium N.V.

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Study identifies combustion-derived nanoparticles in diesel exhaust as the predominant mediator for adverse cardiovascular events

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The research by the University of Edinburgh measured the impact of diesel exhaust fumes on healthy volunteers at levels that would be found in heavily polluted cities. The team compared how people reacted to the gases found in diesel fumes—such as carbon monoxide and nitrogen dioxide—with the ultrafine chemical particles from exhausts. Newby (2011) Combustion-derived nanoparticulate induces the adverse vascular effects of diesel exhaust inhalation.

Researchers Exploring On-Board Exhaust Gas Reforming to Improve Combustion and Recover Waste Heat

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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. Initially the research will focus on diesel engines but the potential of exhaust gas reforming to achieve benefits in gasoline engines will also be evaluated.

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PowerDriver simulations predict thermoelectric exhaust waste heat recovery output of 300W, -2.5% in fuel consumption; prototyping begins

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The European Union-funded PowerDriver project—a two-year, €3-million (US$4-million) research project initiated in February 2012 to turn exhaust gas waste heat into electricity using thermoelectric generator (TGEN) technology—has completed simulation work on on a potential automotive application. This is not least due to the fact that the TGEN is located within the exhaust line and is subject to significant thermal cycling.

Infiniti introducing new advanced 3.0L V6 twin-turbo engines for 2016 Q50; up to 6.7% improvement in fuel efficiency

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The combination of a new turbine speed sensor and an optimized turbine blade design realize greater performance with more immediate response. Moving the catalytic converter closer to the exhaust point saves weight by making the engine more compact than before.

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