Study finds total PM10 emissions from EVs equal to those of modern ICEVs; role of weight and non-exhaust PM

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Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. Non-exhaust emissions tend to contain mostly PM 10 , but a significant proportion of the emissions contains fine PM 2.5

2016 53

The importance of considering non-exhaust traffic emissions; the role of EVs

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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. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. Non-exhaust emissions require active regulation.

2016 25

Trending Sources

Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

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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.

Qoros Auto unveils drivable engineering development car with QamFree engine; near +50% boost in power & torque, -15% fuel consumption

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At the 2016 Guangzhou Auto Show, Qoros Auto introduced the first drivable engineering development car—a modified Qoros 3 hatchback—equipped with the QamFree engine featuring FreeValve’s Pneumatic-Hydraulic-Electric-Actuator (PHEA) technology. Engines Fuel Efficiency

2016 46

Volkswagen Group developing lean-burn combustion for monovalent natural gas engine as part of $27M EU GasOn research project

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Volkswagen Group Research and its partners in the EU-funded GasOn research project are developing an innovative monovalent natural gas engine. Based on a 2.0-liter diesel engine, the unit permits very high compression. Emissions Engines Natural Gas

2017 31

Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

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six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. Achates will demonstrate the engine in 2018 in a driveable light-duty truck. The 30-50% improvement metric encompasses both gasoline and diesel variants of the OP engine.

2017 46

Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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Testing was also conducted at the DTNA Detroit engineering facility to demonstrate engine efficiency by achieving 50.2% engine brake thermal efficiency. The 390 hp/1400 lb-ft torque (291 kW/1,898 N·m) engine features a revamped combustion system.

2015 66

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). engines.

DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

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Mainstream Engineering Corp. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. Mainstream Engineering Corp. NO x Sensor for Diesel Engine Emissions Systems. 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. A Novel Exhaust after Treatment Catalyst.

2014 23

Toyota Central R&D developing free-piston engine linear generator; envisioning multi-FPEG units for electric drive vehicles

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is developing a prototype 10 kW Free Piston Engine Linear Generator (FPEG) featuring a thin and compact build, high efficiency and high fuel flexibility. Poppet valves seated in a water-cooled cylinder head were actuated by hydraulic valve trains to control exhaust valve timing.

2014 87

Cummins Westport begins production of ISL G Near Zero NOx natural gas engine; first commercially available near zero NOx MidRange engine

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CWI) announced that orders are being processed and production of the ISL G Near Zero (NZ) NO x natural gas engine ( earlier post ) has commenced. The 8.9-liter ISL G NZ is the first MidRange engine in North America to receive emission certification from both US Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California to meet the optional 0.02 Exhaust emissions of the ISL G NZ are 90% lower than the current EPA and ARB NO x limit of 0.2

2016 35

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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Infiniti has developed a new advanced compact and lightweight 3.0-liter V6 twin-turbo engine which is making its debut in a 400 hp configuration for the new 2016 Infiniti Q50, which will premiere at the North American International Auto Show in January. lbs) less than the engine it replaces.

2015 45

DENSO and IBIDEN to collaborate on next-generation vehicle exhaust systems and vehicle electrification

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form ed a capital and business alliance jointly to develop next-generation vehicle exhaust systems. This collaboration will combine IBIDEN’s advantages in high-performance ceramic materials with DENSO’s advantages in developing products as systems to develop high-performance, simple and low-cost vehicle exhaust systems. DENSO has developed and provided systems components to better control the intake, power, and exhaust events in the operating cycle of gasoline and diesel engines.

Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

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billion) in its strategic engine initiative. The optimization of advanced high-tech engines plays a key role in our road map towards sustainable mobility. The new engines] also need to be designed with a view to all current and future requirements. Coasting with engine off.

2016 34

SAE REX: PHEVs and REEVs could open door for advanced combustion regime engines

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Increased market penetration of plug-in hybrid electric vehicles (PHEVs) and range-extended electric vehicles (REEVs) across vehicle segments could present an opportunity for emerging advanced combustion regime engines, such as those using various low-temperature combustion modes, according to a number of presentations at the SAE 2016 Range Extenders for Electric Vehicles Symposium held last week in Knoxville. But to do that, we need to think about the engine.

2016 35

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

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Section of the MkII Clarke-Brayton split-cycle engine. Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG).

2014 33

Swiss team concludes that particulate filters should be mandatory for GDI engines

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Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past.

2017 19

Infiniti introducing production-ready variable compression ratio engine at Paris Motor Show

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Infiniti will introduce a production-ready variable compression ratio engine VC-T (Variable Compression-Turbocharged) at the 2016 Paris Motor Show (Mondial de l’Automobile) in September. Nissan was awarded a patent in 1995 on compression ratio control for an engine.).

2016 33

Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

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Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. Conceptual image of a possible multi-cylinder OPGCI engine. ARPA-E Engines Fuel Efficiency

2015 39

Cummins Westport ISB6.7 G midrange natural gas engine now in full production

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liter midrange, factory-built natural gas engine is now fully available as a production engine for shuttle bus, medium duty truck, and vocational applications in North America. G engine more than doubles its addressable market. Biomethane Emissions Engines LNG Natural Gas

2016 23

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Manufacturers have responded with different technologies and engine control strategies for compliance. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations. The engine was also equipped with a catalyzed?DPF

Study finds diesel oxidation catalyst eliminates mutagenicity of diesel exhaust in gas phase

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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.

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

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A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions. 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. Emissions Engines Fuel Cells

Fairbanks Morse Engine and Achates Power team up on opposed-piston engines

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Fairbanks Morse Model 38 opposed-piston engine. The leading manufacturer of opposed-piston engines, Fairbanks Morse Engine (FME), an EnPro Industries company, has signed a joint development and licensing agreement with Achates Power, Inc., the developer of a family of two-stroke compression-ignition opposed-piston engines ( earlier post ), to reduce emissions and fuel consumption of Fairbanks Morse proprietary diesel and dual-fuel opposed-piston engines.

Toyota’s second turbocharged gasoline engine now available in Auris in Japan; 36% thermal efficiency

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Toyota Motor has introduced its second turbocharged engine (following the 2.0-liter in the Lexus NX 200t turbo last year, earlier post ) from a series of new engines with improved thermal and fuel efficiency. Toyota announced the new engine in March at the Geneva Motor Show.

2015 34

BMW unveils latest Efficient Dynamics 3- and 4-cylinder gasoline and diesel engines

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At its Innovation Days 2016 event in Munich, BMW unveiled new versions of its three and four- cylinder gasoline and diesel engines. In addition to this, the full line-up of gasoline and diesel engines feature BMW TwinPower Turbo technology. Gasoline engines. Diesel engines.

2016 24

FPT International introduces 8.7-liter CNG engine in China

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The CNG engine delivers equivalent performance to its diesel counterpart. The 6-cylinder engine is suited for applications such as heavy haulage, garbage collection, city and intercity transportation, and can be fueled by compressed (CNG), liquefied (LNG) or renewable (bio-methane) natural gas. To comply with Euro VI the Cursor 9 CNG does not need Exhaust Gas Recirculation (EGR) or Selective Catalytic Reduction (SCR), but relies on a simple three-way catalyst.

2016 31

Big Blue Bus receives nearly $900K to purchase 58 new Cummins-Westport Near-Zero NOx engines

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In California, Big Blue Bus (BBB) will receive $870,000 from the Mobile Source Air Pollution Reduction Review Committee’s (MSRC) Near Zero Engine Incentive Program. NO x engines. The NZ engine is the first mid-range engine in North America to receive emission certifications from both the US Environmental Protection Agency (EPA) and California Air Resources Board (ARB) meeting the 0.02 Biomethane Emissions Engines Fleets Natural Gas

Federal-Mogul Powertrain cuts engine valve development time using new simulation model

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Federal-Mogul Powertrain has developed a simplified transient dynamic simulation model of valve closing action in order to predict dynamic loading on engine valves. Engines Fuel Efficiency Simulation

2016 32

2012 Toyota Prius V: Service Alert (Exhaust Actuators)

Green Car Reports

At the end of last week, Toyota quietly announced a service campaign to rectify a potential problem with the exhaust system on the 2012 Toyota Prius V. The voluntary service campaign will focus on weak actuators located within the exhaust heat recovery system on the 2012 Toyota Prius V which, under some circumstances, could cause an engine coolant

ARPA-E awards U-M $1.9M to develop advanced low-cost high-efficiency engine; boosting, highly dilute combustion and 48V system

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million to a project to develop a high-efficiency engine system that integrates a compact micro-hybrid configuration of a supercharger with an electric waste heat recovery system and employs high rates of recirculated exhaust gases. When combined with a sophisticated control strategy, this approach provides a solution for suboptimal engine breathing that is typical of transient engine operation. 48V ARPA-E Engines

2015 35

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. The surprising result we found was that it wasn’t diesel engines that were contributing the most to the organic aerosols in LA.

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. The study exposed laboratory rats 80 hours a week, for up to 30 months, to emissions from a heavy-duty diesel engine meeting 2007 US EPA standards using new filters and other control technology.

Study shows renewable diesel from crude tall oil is a high quality drop-in fuel for off-road engines

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A team from the University of Vaasa (Finland) and UPM-Kymmene Corporation has examined how the blends of fossil and renewable diesel produced from crude tall oil (CTO) affect the performance and exhaust emissions of the modern common-rail off-road diesel engine. In the present study, CTO renewable diesel was investigated in a turbo-charged, intercooled common-rail non-road diesel engine. The engine had been tuned for high NO x and the use of an SCR catalyst.

2016 43

VW introduces new, more efficient TSI engine generation; Miller cycle with higher compression and electric VTG turbo

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The first model in this future generation of spark ignition engines is the 1.5-liter TSI. The fuel-efficient and high-torque gasoline-fueled TSI engine is set to launch in late 2016, initially with outputs of 96 kW and 110 kW. The improvements in fuel economy take effect across a wide range of the engine map—i.e, The cylinder head has been extensively re-engineered. The proven concept of the exhaust manifold integrated into the cylinder head has been retained.

2016 26

Combustion engines: high emissions from short commutes a huge challenge

Green Car Reports

short commutes in vehicles with combustion engines—whether gasoline or diesel—pose particularly tough emission problems. That's because the exhaust aftertreatment systems have to warm up fully before they cut emissions to the levels. emissions UK EU nitrogen oxides London regulation gasoline enginesDrivers in the U.S. have longer commutes than those in Europe and Asia, on average. In the U.K.,

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

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Further, there is increasing interest among stakeholders in exploring the benefits of higher octane fuels that would lead to higher compression ratios which would lead to more efficient engines and reduced fuel consumption. One significant trend is engine downsizing coupled with turbocharging.

2016 20

Corning expands light-duty vehicle exhaust filter capacity in Germany

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Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions. For gasoline vehicles, direct injection (GDI) engines are growing in popularity as drivers demand more fuel efficiency and engine power.

Opel to launch 3 new engine families, 13 new engines by 2016

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Opel is launching three new engine families and 13 new engines between 2012 and 2016, renewing 80% of its engine portfolio. They will be joined by the end of this year by a new small-displacement gasoline engine family. SIDI Turbo gasoline engine. Engine Start/Stop.

2013 26

ORNL-led team developing breakthrough high-temperature, high-strength Al alloy for advanced light-duty engines

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A team led by researchers from Oak Ridge National Laboratory (ORNL) is developing a lower-cost cast aluminum (Al) alloy capable of at least a 50 ˚C temperature increase over the current cylinder head alloys 319 and 356 for use in light duty engines. Having such a higher-temperature alloy for use in the head can be a game changer for light-duty engines, suggested Dr. J Allen Haynes, ORNL propulsion materials program manager. Materials for exhaust and energy recovery.