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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.

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. Brie

EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. Earlier post , earlier post , earlier post.).

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

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It expands all the way to ambient pressure before the exhaust stroke. Section of the MkII Clarke-Brayton split-cycle engine. Click to enlarge.

2014 33

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. Brief

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. Click to enlarge. Huang 2012.

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. For gasoline vehicles, direct injection (GDI) engines are growing in popularity as drivers demand more fuel efficiency and engine power. Brief

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. Click to enlarge.

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. For never-smokers, risk of lung cancer death increased with increasing diesel exhaust exposure. effect of diesel exhaust exposure on lung cancer mortality in. humans.

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. Earlier post.) —ACES report. —ACES Review Panel.

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. SCR development progress. —Dr. —Dr.

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). This water reclamation system is energy neutral and designed to simplify water management operations.

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. Earlier post.).

2005 13

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

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Then, an ultra-fine spray of urea solution is dispersed into the exhaust stream for catalytic NO x reduction. Click to enlarge. Brief

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. —Ellen Meeks, vice president of product development at Reaction Design. aromatics).

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. —Dan Greenbaum, President of HEI. Jacob D.

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.

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.,

2019 12

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

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The entire vessel design concept is focused around saving energy. The forward hold is covered and designed to carry dangerous goods.

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

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.

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. Malibu Hybrid System components in vehicle. Conlon et al. to 3.50.

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. Click to enlarge.

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. Now, Stanyl ForTii will enable design engineers to specify a more economical material for very hot and aggressive environments. Brief

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 ME-GI engine.

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. The first application of the 1.6L mm x 80.1

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

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Oxidation of engine-generated NO to NO 2 is critical in diesel engine emission control for reducing NO x and carbon soot from the tail-pipe exhaust.

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

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The GPF used on the GDI#1 vehicle was a custom design device provided by the Manufacturers of Emission Controls Association (MECA). 7 °C).

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). in order to receive API Certification and meet international standards. Proper urea concentration is critical for sustaining reduced diesel emissions.

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.

2015 45

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. When assessed in the clinic, we showed that the vascular dysfunction associated with diesel exhaust inhalation is prevented by particle filtration. —Mills et al.

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. The REGR gas is fed back to the engine inlet. Sci. ,

Gas 1

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.

GM develops integrated exhaust manifold cylinder head for 3.6L V6 direct injection engine; improvement in performance, fuel economy, emissions and noise

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The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ).

DLR wrapping up ECLIF in-flight study of emissions from alternative aviation fuels; potential for improved fuel design

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In addition, supplementary exhaust measurements are performed on the ground after each flight. —Patrick Le Clercq.

Wärtsilä launches new more fuel efficient Aframax tanker design; dual-fuel option

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The new Aframax design emphasizes energy efficiency to provide lower operating costs and enhanced environmental performance. Click to enlarge.

JCB New Ecomax T4 Engine Uses Ricardo Low Emissions Combustion Technology; Tier 4 Interim Level Emissions With No Exhaust Aftertreatment

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The Twin Vortex Combustion System is capable of meeting Tier 4 interim/Stage 3B legislation without the need for any form of exhaust aftertreatment.

Bosch, DEUTZ, and Eberspächer Set Up JV for Diesel Exhaust Aftertreatment

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KG have signed an agreement to set up a joint venture in the area of diesel exhaust aftertreatment. We want to establish Bosch Emission Systems in the global market as a technologically leading supplier of complete diesel exhaust aftertreatment systems. Thomas Wünsche, CEO of Eberspächer Exhaust Technology. —Dr. —Dr.

DARPA awards LiquidPiston $2.5M to advance further X4 rotary engine prototype

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The X4 is designed for extremely high specific power, with an objective of 1.5 Earlier post.). Shkolnik et al. 2014) Click to enlarge.

2016 46

A further look at elements of Audi’s new generation 3.0L TDI diesel

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The new 3.0-liter engine is designed to be utilized in both MQB (transverse) and MLB (longitudinal) architectures within the larger Volkswagen Group.