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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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Cummins reports that it, along with partners Johnson Matthey and Nissan, is on plan in a 4-year, $30-million ($15 million from the US Department of Energy) research project to deliver a light-duty diesel engine with fuel economy 40% improved over that of baseline gasoline V8 engine for a half-ton pickup truck while also meeting the requirements of US Tier2 Bin2 tailpipe emissions. Cost of the new engine relative to gasoline baseline. Exhaust system configuration.

2014 286

New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

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In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. Emissions Engines

2019 218
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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

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The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. Gasoline engines are typically less expensive than diesels for the same application but have higher exhaust temperatures, making advanced turbocharging more difficult. Independent analysis has estimated that the world market for pressure-charged gasoline engines will grow from 2.5

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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A new study by researchers at the Bourns College of Engineering, University of California, Riverside (UCR) and colleagues at the Manufacturers of Emission Controls Association (MECA) has found that catalyzed gasoline particulate filters (GPF) are effective not only at reducing particulate mass, black carbon, and total and solid particle number emissions in gasoline direct injection engines (GDI) but also polycyclic aromatic hydrocarbons (PAHs) and nitrated PAHs.

2018 219

Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

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Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. However, the cycle results in higher HC and CO emissions due to the low in-cylinder temperature. In previous studies, the Miller cycle has shown a potential to reduce the knock tendency and improve fuel economy in a boosted downsized SI engine.

2018 174

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. The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power.

2015 163

Hyundai showcasing new downsized turbo engines and 7-speed dual-clutch transmission; i40 48V Hybrid, i30 CNG

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Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. Both engines—1.0-liter and 1.4-liter units which are part of a new generation of engines from the Kappa family—meet growing demand for small capacity, turbocharged engines to reduce fuel consumption and CO 2 emission without compromising performance. New engines and transmission. Click to enlarge.

2014 205

Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. Researchers at ETH Zürich, with partners Robert Bosch GmbH, Wenko Swissauto and the Swiss Federal Office of Energy are developing a downsized and supercharged hybrid pneumatic engine that they say can deliver a fuel consumption reduction of more than 30% compared to a standard engine with the same rated power. The engine has two intake and two exhaust valves per cylinder.

2009 163

Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

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mpg US) (99 g/km CO 2 )—more efficient than any previous Golf with a gasoline engine. The new TSI engine also offers the highest specific torque of any large-scale production series gasoline engines: 200 N·m per liter displacement. Despite its efficiency, the Golf TSI BlueMotion with the 85 kW / 114 hp downsized 999 cc EA211-series engine reaches 100 km/h in 9.7 The weight was reduced by 10 kg (to 89 kg / 196 lbs), and CO 2 emissions were reduced by 10%.

2015 228

Controlled Power Technologies Packages Its Switched Reluctance Systems in ‘RegEnBoost’ System for Enhanced Support for Downsizing

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CPT says that the RegEnBoost system enables a typical family-sized car to achieve less than 100 g/km CO 2 with a 1-liter gasoline engine, but when required can offer the same lively performance and in-gear acceleration of a 2-liter naturally aspirated powertrain. Power for the battery and VTES electric supercharger is not only supplied by the SpeedStart ISG but also the TIGERS exhaust driven turbo-generator. The three components of the RegEnBoost system. Click to enlarge.

2009 175

ICCT: decline in diesel sales will have negligible impact on attainment of European CO2 emission standards

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Other technologies—such as efficiency improvements in gasoline engines as well as the rollout of hybrid electric power trains—offer more compelling and cost-effective pathways to reducing CO 2 emissions from European passenger cars, the ICCT says. The ICCT notes that while diesels generally consume less fuel than comparable gasoline vehicles, CO 2 emissions from diesel engines are not lower in the same proportion, for various reasons.

2018 174

DENSO Develops Exhaust Gas Temperature Sensor With Improved Temperature Detection Accuracy

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DENSO Corporation has improved the temperature detection accuracy of its newly developed diesel exhaust temperature sensor. The new sensor, which is located in front of the diesel particulate filter (DPF) and used to control temperature for DPF regeneration, helps reduce harmful diesel emissions and improves fuel efficiency by enabling more precise control of aftertreatment systems. DENSO extended the length of the probe and developed a vibration-resistant structure to support it.

2009 179

Volkswagen Emphasizes Downsizing at 30th Vienna Engine Symposium; Highlights 1.2 TSI and 1.6 TDI

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Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter TSI gasoline engine and the 1.6-liter TDI diesel. The potential of internal combustion engines is far from exhausted. Both engines impressively show how Volkswagen reduces the CO 2 emissions and the fuel consumption and that to fungible costs. Downsizing is rigorously being developed in the volume segments with the 1.2

2009 150

Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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Researchers at Delphi Powertrain, in collaboration with colleagues at Hyundai Motor, the University of Wisconsin-Madison, and Wisconsin Engine Research Consultants (WERC), have developed a first-generation multi-cylinder Gasoline Direct Injection Compression Ignition (GDCI) engine, based on several years of extensive simulations and single-cylinder engine tests. Very low fuel consumption, NO x , and PM emissions were measured.

2014 249

Brunel engineers optimizing CAI combustion in 2-stroke camless gasoline DI engine

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Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Researchers at Brunel University in the UK, led by Professor Hua Zhao, Head of Mechanical Engineering and Director, Centre for Advanced Powertrain and Fuels (CAPF), are investigating optimizing the performance of controlled autoignition (CAI) combustion in a four-valve camless gasoline direct injection engine running in a two-stroke cycle. E85 has a greater effect on the emission reduction than E15.

2014 170

Study explores impact of alcohol-gasoline blends with early inlet valve closing at low and moderate loads on EGR tolerance

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A team from Brunel University, MAHLE Powertrain and University College London studied the combined effects of different inlet valve operating strategies on combustion, performance and emissions with different ethanol and 1-butanol blends with gasoline in a single-cylinder spark-ignition research engine equipped with a fully variable valvetrain. Variable valve timing is an established technique for improving the fuel economy of a gasoline engine via several mechanisms.

2013 196

ExxonMobil, Corning and Toyota develop onboard membrane system to separate gasoline into octane fractions to optimize engine efficiency and performance

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ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. OBS is a membrane-based process that separates gasoline into higher and lower octane fractions—essentially creating a dual fuel system from a single base fuel—allowing optimal use of fuel components based on engine requirements. 100 RON product when using regular unleaded (RUL) 92 RON gasoline as the base fuel.

2014 258

Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

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In addition to its twin turbos, the new eight-cylinder unit—known internally as the M 157—features gasoline direct injection with spray-guided combustion and twin turbochargers. For the first time, AMG is also utilizing the advantages of gasoline direct injection with spray-guided combustion and piezo-electric injectors: thanks to its higher thermodynamic efficiency, this technology makes more efficient use of fuel and leads to lower exhaust emissions.

2010 170

ACCESS project targeting 30% improvement in fuel economy and SULEV emissions in light-duty gasoline engine; multi-mode SI/HCCI combustion

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Robert Bosch LLC and a consortium including AVL, Emitec, University of Michigan and Stanford University are working on a four-year, $24-million US Department of Energy (DOE)-supported project to achieve up to 30% fuel economy improvement in a gasoline-fueled light-duty vehicle without compromising performance while also meeting SULEV emission standards. Two-stage boost—a small supercharger for HCCI, and a regular turbocharger for downsizing.

2011 191

PSA to commercialize SwRI-developed Dedicated-EGR technology in high-efficiency gasoline engines by 2018

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During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. In the inaugural study reported in an SAE paper in 2009 (2009-01-0694), SwRI ran a 4-cylinder engine with cylinder 1 exhausting directly to the intake manifold, leading to a constant 25% EGR level.

2013 225

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

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Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. CO 2 emissions and fuel consumption have been cut by 13% compared to the predecessor engine, while peak torque and peak power have been increased by up to 33%. Opel’s engineers selected a central direct-injection fuel system for optimum fuel efficiency and minimal emissions. The engine retains the proven concept of a turbine-integrated exhaust manifold. New 1.6L

2012 280

New Federal-Mogul Powertrain high thermal conductivity seats and guides keep engine valves cooler; improved combustion, lower emissions

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Suitable for series production, the new High Thermal Conductivity (HTC) materials and Thermal Interface Material (TIM) coating can reduce valve head temperatures by up to 70°C, allowing improved combustion and lower emissions. The extreme valve temperatures experienced on today’s highly boosted downsized engines can lead to reduced valve fatigue life and critical valve guide and stem seal temperatures, resulting in the need for expensive valve steel alloys.

2017 150

Delphi Powertrain Study Concludes 3-Cylinder Turbo Gasoline Direct Injection Engine Offers a High-Value NOx and CO2 Solution for Cost-Sensitive Vehicle Segments

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compacts under 1,400 kg in weight—a stoichiometric 3-cylinder turbocharged gasoline direct injection (GDI) engine offers an optimal combination of cost, lower emissions and reductions in fuel consumption, according to an analysis by Delphi Powertrain presented at the recent SAE 2010 World Congress. It also performed a value analysis comparing CO 2 benefits for 3- and 4-cylinder gasoline and diesel powertrains. Emissions (SAE 2010-01-0590 ).

2010 200

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. A team from Ford’s Research and Advanced Engineering group in Dearborn examined how emissions of particulate matter (PM) from two gasoline direct injection engines—a very small set and not representative of the wide variety of gasoline direct injection (GDI) engines currently in production or under future development, they noted—changed over time. gasoline blend.

2013 210

ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

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The developers of the successful gasoline-engine HyBoost project ( earlier post )—Ricardo, Ford Motor Company, Control Power Technologies (CPT) and the European Advanced Lead Acid Battery Consortium (EALABC)—will be joined by Faurecia Emissions Control Technologies UK Ltd and University of Nottingham to apply the intelligent electrification concept for the first time to a diesel vehicle (a Ford Focus).

2013 205

Peugeot 208 features new generation of 3-cylinder gasoline and Stop & Start System (e-HDi) diesel engines

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The new Peugeot 208 B-segment supermini, which launches this spring in Europe, will be available in 3- and 5-door bodystyles with a range of gasoline and diesel engines including a new 3-cylinder gasoline engine range and the latest generation of Stop & Start System (e-HDi) diesel engines. The 208 achieves average CO 2 emissions of 34 g/km lower than the 207. The 208 also introduces a new range of 3-cylinder gasoline engines, 1.0- 208 gasoline range. 5-door 208.

2012 204

Exploring gasoline-range naphtha as a low-soot, low-NOx alternative compression ignition fuel

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Gautam Kalghatgi and his colleagues at Saudi Aramco and other organization such as FEV, RWTH Aachen University, and Shell Global Solutions, have been investigating the potential use of naphtha as an alternative compression-ignition (CI) fuel that offers a number of benefits, including efficient combustion; low soot and NO x emissions resulting in a less complicated aftertreatment system to meet modern emissions standards; and a fuel that is simpler to make than current gasoline or diesel fuels.

2013 184

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

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A confluence of technology developments, future emissions regulations and economic conditions will not only allow advanced light-duty spark-ignited gasoline engines to keep diesels at bay in the US market, but may also allow the gasoline units to push into the diesel-dominated medium-duty commercial truck and off-highway segments in the US, according to several presentations at the US Department of Energy’s 2009 Directions in Engine-Efficiency and Emissions Research (DEER) conference last week.

2009 150

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” ” The initial SKYACTIV-G (gasoline) and SKYACTIV-D (diesel) engines that are being applied into new vehicles this year and next show Mazda’s approach to the goal. Extreme compression ratio rather than downsizing.

2011 262

Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

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Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. The PureTech engines offer equivalent or better power compared with the previous generation powerplants, combined with significantly lower fuel consumption and greenhouse gas emissions, down by roughly 25%. mpg US) and CO 2 emissions range from 99 to 107 g/km. CO 2 emissions are up to 35g/km lower at 104 g/km.

2012 235

New Delphi 500+ bar GDi system cuts particulates by up to 50% without engine changes

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Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. With an innovative new sealing system and a new, downsized plunger, Delphi Technologies’ high-efficiency fuel pump delivers the increased pressures needed without increasing the load on the on the engine’s camshaft.

2019 195

Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

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For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter V6 Supercharged and 2.0-liter i4 Turbocharged units. These join the existing line-up of 2.2-liter i4 Turbodiesel, 3.0-liter V6 Turbodiesel and both naturally-aspirated and Supercharged 5.0-liter V8 gasoline units. Eight-speed ZF automatic transmissions are now fitted to all gasoline and diesel XJ and XF variants as standard for greater efficiency and performance.

2012 196

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

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The system was realized with the new 1.4-liter gasoline-fueled TSI of the Polo BlueGT. This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). These gasoline engines and the EA288 series diesel engines, which are also new, are technological pillars of the future Modular Transverse Matrix (MQB).

2012 218

Fiat Launches New 1.8L Gasoline Direct-Injection Turbo in Lancia Delta

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Fiat has launched a new 1.8-liter, four-cylinder turbocharged gasoline direct-injection engine—the 1.8 Di Turbo Jet E5 drive torque is comparable to the one of an aspirated V6 engine which is almost twice its displacement, according to Fiat, but with significant efficiency gains through the downsizing. This allows the engine to make better use of the supercharging when compared to standard turbocharged gasoline engines, according to Fiat. The 200 HP 1.8 Di TurboJet.

2009 150

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

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A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines.

2017 184

Bosch leading Direct4Gas consortium to develop direct injection for monovalent natural gas engines

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Today’s CNG vehicles are generally bivalent, running on gasoline and CNG with engines designed for gasoline direct injection. However, because methane behaves differently from gasoline when injected directly, it is important to optimize the combustion process for methane. The problem with this configuration is that neither the combustion process nor the values for efficiency and emissions can be optimized. Emissions Engines Natural Gas

2015 224

Continental introducing innovative annular catalytic converter for near-complete NOx reduction to meet RDE and SULEV 30 standards

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Continental will present an innovative close-coupled annular catalytic converter that supports near-complete NO x conversion in downsized turbocharged gasoline engines at the 37 th Vienna Motor Symposium next week. The introduction of Real Driving Emissions (RDE) legislation will require vehicles with this widely used engine concept to meet strict NO x limits in all driving situations. For downsized turbocharged gasoline engines, this presents two challenges.

2016 150

Use of Supercritical Diesel Fuel for Improved Efficiency and Reduced Emissions

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Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine. Given the high reactivity of diesel fuels compared to gasoline, the ignition and combustion of pre-mixed fuel-air charges poses a challenging control problem. To attenuate that risk, the researchers use a diluent such as CO 2 , H 2 O or exhaust gas. Transonic has successfully run on gasoline, diesel, biodiesel, heptane, ethanol, and vegetable oil in dynamometer testing.

2009 196

Eaton Highlights Range of New Products to Reduce Fuel Consumption and Emissions

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At a Live Drive Event in Marshall Michigan, Eaton highlighted a number of new products to reduce fuel consumption and emissions, including an all-new electronic limited slip differential; an electronic fuel vapor management valve for hybrid-electric vehicles; a range of next-generation variable valvetrain systems; and new engine valve product designs. —Julie Tolley, general manager, Fuel Emissions and Powertrain Controls, Eaton’s Vehicle Group.

Eaton 191

Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

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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. Emission standards (g/mi). Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. The 2.3L

2014 210

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

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The Co-Optima project team, which is leveraging the technical contributions of nine of DOE’s 17 national laboratories, has grown to more than 130 researchers, according to Robert Wagner, Director of the Fuels, Engines, and Emissions Research Center at Oak Ridge National Laboratory (ORNL), and a member of the Co-Optima leadership team, in a briefing at the lab earlier this month. Simulation of fuel and engine parameter impacts on efficiency and emissions.

2016 266

DOE FY17 SBIR Phase I Release 2 topics include fuel cells, EV batteries, engines

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The Phase I Release 2 topics also include four vehicle subtopics, including electric drive vehicle batteries; SiC device qualification for electric drive vehicle power electronics; fuel efficiency improvement technologies for conventional stoichiometric gasoline direct injection multi-cylinder internal combustion engines; and wide-range high-boost turbocharging system. Batteries Emissions Engines Fuel Cells Hydrogen Hydrogen Storage

2016 217

CPT and Eminox to collaborate on development of retrofit electric supercharging and aftertreatment solutions for heavy-duty vehicles

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Controlled Power Technologies (CPT), a British developer of advanced automotive technology focused on the electrification of internal combustion engines, and Eminox, also based in the UK and a leading European manufacturer of exhaust gas control systems for heavy duty diesel vehicles, will collaborate to bring their technologies for reduced fuel consumption and emissions to the heavy duty vehicle retrofit market. NO x emissions regulations are also likely to be further tightened.

2015 195