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.

2013 102

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 ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L

2011 129

Corning expands light-duty vehicle exhaust filter capacity in Germany

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Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions. Featuring an optimized material microstructure, the filter’s highly porous walls enable higher catalyst coatings to address tighter emissions limits without impacting fuel economy.

GM details 2016 Chevrolet Malibu Hybrid powertrain design and operation

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Development was guided by four main objectives: Increased fuel efficiency under US EPA 5 cycle fuel economy test conditions. The new engine is fitted with an exhaust gas heat recovery (EGHR) system. However, the transaxles were designed with unique rotors specific to the application.

2016 83

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.

2014 102

New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

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Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 Estimated combined cycle fuel economy is 26 mpg (9.04 Design.

2018 88

Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

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Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion, however, it is possible to route 100% of the exhaust gas stream via the turbine at any time by means of VTG.

2018 112

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

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This trend of increasing demand for higher octane gasoline is likely driven by changes in fuel requirements for light-duty vehicles (LDV) in response to increasing fuel economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts.

2016 83

Ford unveils new Focus; 10% better fuel economy; focus on tech; gasoline and diesel

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The all-new Focus is the first vehicle globally to be based on Ford’s new C2 platform designed to enhance crash performance; deliver more interior space for Ford’s mid-size models without negatively impacting exterior dimensions; and support improved aerodynamics for better fuel-efficiency.

2018 88

New 7th-generation Hyundai Sonata updates design, tweaks powertrain

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design language, stiffer body structure, better ride quality, reduced noise, vibration and harshness and advanced safety and convenience features. Theta II featured numerous design enhancements over its predecessor, beginning with a three-stage variable induction system (VIS) which automatically adjusted the volume of the air sucked into the combustion chamber to create an air-to-fuel mix optimized for varying engine load conditions. 2015 Sonata 2.0T Click to enlarge.

2014 79

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

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This technology enables the elimination of exhaust aftertreatment and provides a cost-effective, durable and high fuel economy solution for mid-range off-highway engine customers. The JCB EcoMax T4 Tier 4 engine. Click to enlarge. JCB introduced its new ‘Ecomax T4’ 4.4

2010 93

Honda includes stop-start system in new 2016 Honda Pilot for improved fuel economy, new 9-speed

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The 2016 Pilot, launching at Honda dealerships nationwide this summer, is the third generation of Honda’s three-row midsize SUV to be designed, developed and manufactured in the US. This is the main reason why deactivating the cylinders contributes to improved fuel economy.

2015 131

FCA US upgrades 3.6L Pentastar V-6; 2-step VVL, cooled EGR; up to 6% better fuel economy

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Depending on the application, the redesigned V-6 delivers fuel-economy improvements of more than 6% while increasing torque more than 14.9%. This translates to a fuel-economy improvement, on its own, of up to 0.8%. improvement in fuel economy.

2015 113

2016 Mazda CX-9 shows 32% improvement in EPA-estimated fuel economy over predecessor; SKYACTIV-G 2.5 turbo

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Mazda North American Operations released EPA-estimated fuel economy figures for its all-new 2016 Mazda CX-9. Traditionally, turbocharged engines have suffered from poor dynamic performance at low rpm, including turbo lag, and disappointing real-world fuel economy.

2016 83

INFINITI unveils new QX50 with variable compression ratio engine; 35% improvement in fuel economy over prior FWD V6

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An innovative combustion engine design, the 2.0-liter VC-Turbo engine adjusts its compression ratio to optimize power and efficiency. Equipped with the VC-Turbo engine, the QX50 delivers gasoline fuel economy of 27 mpg (US combined, front-wheel drive; 26 mpg all-wheel drive).

2017 83

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

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Exhaust system configuration.

2014 148

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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The result of their work, presented in papers this spring at the SAE 2014 World Congress, the Vienna Motor Symposium, and the JSAE Annual Congress, is the new 1.3-liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE).

2014 118

Ford Conducts Design of Experiment Investigating Thermoelectric Energy Regeneration

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Conceptual schematic of direct thermoelectric generator mounted in a vehicle’s exhaust stream. The exhaust energy content of Atkinson-cycle engines, which are used in many hybrid powertrains, is lower than conventional IC engines due to the cycle’s inherently higher thermal efficiency.

2009 78

New BMW 3 Series Gran Turismo improves fuel economy by up to 14%

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All members of the engine family share a standardized design principle, with a displacement per cylinder of 500 cubic centimeters, an in-line cylinder arrangement and an extremely lightweight, thermodynamically optimized all-aluminium construction.

2016 93

New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

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Controllable flaps in the exhaust system modulate the sporty sound and make it even richer. The special pump design reduces weight by around 1.5 3 rd generation Audi TT. Click to enlarge. Audi is unveiling the third-generation of its TT compact sports car at the Geneva Motor Show.

2014 131

Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

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The 2015 CR-V features increased EPA fuel economy ratings of 27/34/29 mpg (8.7/6.9/8.1 The CR-V’s 2.4-liter engine has a lighter-weight die-cast aluminum cylinder block with a main-bearing single cradle design that creates a rigid assembly to help minimize noise and vibration.

2014 130

Fraunhofer characterizes Alphabet Energy thermoelectric PowerCard; up to 5% fuel economy improvement in automotive

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The PowerCard generates power from exhaust source temperatures ranging from 400-600 °C using Alphabet Energy’s proprietary thermoelectric materials: tetrahedrite and magnesium silicide stannide.

2016 93

BorgWarner supplying turbochargers for first GDI engine designed by BYD Auto in China

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Boosted by BorgWarner’s KP39 turbocharger, the inline four-cylinder engine achieves a power output of 154 HP (113 kW) and a maximum torque of 240 N·m (177 lb-ft), providing improved fuel economy compared with its predecessor and helping the engine comply with Euro 5 emissions standards. For its first self-designed turbocharged GDI engine, BYD Auto relies on BorgWarner’s turbocharging technology to make its 1.5-liter engine as powerful as a naturally aspirated 2.4-liter engine.

2012 76

GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

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In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fuel economy comparisons. Fuel economy. Source: GM, Ford, Model Year 2013 EPA Fuel Economy Guide. 2014 5.3L

Sierra 113

Tenneco/Gentherm showcasing prototype of thermoelectric generator for waste heat recovery; targeting 5% fuel economy improvement

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Tenneco and Gentherm (formerly BSST/Amerigon) are part of a US Department of Energy (DOE) consortium actively developing a thermoelectric generator (TEG) for capturing waste exhaust heat in vehicles and converting it to electrical energy to be used to power electrical systems within the vehicle. Gentherm is supplying modular, cylindrical-shaped thermoelectric cartridges that convert waste heat from the exhaust into electricity. TEG component (cartridge) and TEG architecture concept.

2013 76

Opel launching new all-aluminum 1.0L 3-cylinder turbo for Adam; fuel economy and refinement

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The cylinder block made of high pressure die-cast aluminum is designed to reduce radiated and structure-borne engine noise, as well as reduce weight. The exhaust manifold is integrated inside the aluminum cylinder head, which is bolted directly to the low-inertia, water-cooled turbocharger.

2013 103

Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

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division, maker of the Delo brand of heavy duty engine oils, lubricants and coolants, unveiled a new category of heavy duty motor oil designed to address the growth of severe duty applications in on- and off-highway markets. In order for engines to last as long as they’re designed to, we need to reassess maintenance practices for this type of operations. Improved fuel economy over SAE 15W-40 conventional oils. Chevron Products Company, a Chevron USA Inc.

Ford to offer cylinder deactivation for 1.0L EcoBoost in 2018; 6% fuel economy boost; global first for a 3-cylinder

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A new single-piece camshaft module—similar to the design debuted earlier this year for the all-new Ford EcoBlue diesel engine—frees space within the cylinder head for new oil channels and valve-switching componentry. Ford will offer the multi-award-winning 1.0‑liter liter EcoBoost gasoline engine with innovative cylinder deactivation technology for further reducing CO 2 emissions and improving fuel efficiency by up to 6%.

2016 79

New 2013 Nissan Sentra delivers 34 mpg combined fuel economy, up to 40 mpg highway

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Nissan’s all-new 2013 Sentra, featuring a new 1.8-liter engine and next-generation Xtronic CVT with sub-planetary gear, offers combined fuel economy of 34 mpg (6.9 Fuel economy is rated at 30 mpg (7.84 2013 Nissan Sentra. Click to enlarge.

2012 104

Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter V8 by operating using Dynamic Skip Fire.

2016 83

Volkswagen Unveils New One-Liter Concept Car; Smallest Production-Intent Diesel Yet from Volkswagen Applied in A Full Hybrid Design

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The “one-liter” designation refers to the design target of fuel consumption of 1 liter per 100 kilometers (235 mpg US). On both drivetrains there is exhaust gas recirculation, an oxidation catalytic converter and a diesel particulate filter.

2009 125

Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Advanced Technology Light Automotive Systems (ATLAS) program ( earlier post ) was initiated to develop a commercially viable diesel engine for the half-ton pickup truck market that is capable of meeting future Tier 2 Bin 2 emissions regulations and Corporate Average Fuel Economy (CAFE) and stringent greenhouse gas (GHG) requirements out to the year 2025. Test cycle fuel economy (mpg). This is approximately a 53% increase in CAFE fuel economy at 28.9 Cummins Inc.

2015 71

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

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Robert Bosch LLC, AVL Powertrain Engineering and partners including the University of Michigan are working on a four-year, $24-million US Department of Energy (DOE)-supported project— Advanced Combustion Concepts—Enabling Systems and Solutions (ACCESS)—to achieve a 30% fuel economy improvement in a gasoline-fueled light-duty vehicle without compromising performance while also meeting SULEV emission standards. Design. improvement in fuel economy over the baseline.

2013 90

Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

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The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. This reduces the truck's fuel economy, according to the complaint. The mechanic replied, “ I will deny this later, but I can tell you that the PCM updates are diverting fuel into the exhaust system to make it burn hotter so that it reduces the amount of emissions leaving the tailpipe. ”

2017 64

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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1, and the engine is designed to run on 98 RON gasoline. Split, parallel, cross-flow cooling with integrated exhaust manifold. Cycle-based CAE analysis of fuel economy contribution of critical technologies. The 2.3L MiGTDI engine. Source: Ford. Click to enlarge.

2014 107

Thermoelectric Generator Integrated Into Muffler; Up to 5% Improvement in Fuel Economy Possible

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Researchers from the Berner Fachhochschule and EMPA, a Swiss research and services group, are developing a thermoelectric generator for vehicle waste heat recovery that is integrated in the muffler, rather than being installed as a separate thermoelectric generator (TEG) unit on the exhaust line.

2010 99

Toyota introduces 7th generation Camry for 2012 with improved fuel economy and performance across all models; ~39% jump in EPA city cycle fuel economy for the hybrid

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The projected city/highway/combined fuel economy for the LE model equates to 5.47, 6.03 Lighter overall vehicle weight also contributes to better performance and fuel economy. Lower rolling resistance tires, available for the first time in 17-inch size, also help boost fuel economy.

2011 93

New Chrysler 300 Luxury Series sedan mates 8-speed automatic to V6 Pentastar; up to 17% improvement in fuel economy

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Designed to be the most fuel-efficient Chrysler flagship sedan yet, the new 2012 Chrysler 300 Luxury Series combines an eight-speed automatic transmission with the 292 hp (218 kW) 3.6-liter Pentastar V-6 engine to deliver 31 mpg US highway (7.6 The new model delivers up to a 17% fuel economy improvement compared with the previous generation six-cylinder Chrysler 300 AWD models equipped with 5-speed transmissions. Best-in-class V-6 AWD fuel economy (18 mpg city, 27 mpg highway / 13.0

2011 81

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

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An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% FEV conducted three programs to assess fuel economy potential; technical and manufacturing feasibility; and cost. The design merits continued development for automotive application. Fuel economy.

2013 78

Stop/start to be standard with V-6 in Jeep Cherokee and I-4 in 2015 Chrysler 200; up to 3% better fuel economy

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Chrysler 200 customers who opt for the 2.4-liter Tigershark I-4, and Jeep Cherokee customers who choose the available 3.2-liter Pentastar V-6, will experience estimated fuel-economy improvements of up to 3%, compared with the conventional vehicle-engine pairings. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment. This design feature reduces weight and affords packaging benefits.

2014 81

Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

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Individualized spray cone angle technology compensates the natural nozzle offset inherent in eight-valve engines due to the asymmetry of the intake and exhaust valves. A multi-injection system designed to optimise regeneration of the particulate filter.

2012 118

Volkswagen boosts Beetle Turbo and Jetta GLI with EA888 Gen 3 engine; more power, improved fuel economy

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The EA888 Gen 3 engine is designed to be lighter and more fuel efficient than the unit it replaces. Among the improvements on this engine are: a thin-wall crankcase casting; exhaust headers that are integrated into the cylinder head; smaller diameter main bearings; roller bearings for the twin balancer shafts; and a crankshaft that has four counterweights instead of eight. The EA888 for the US. Click to enlarge.

2013 93

2011 Highlander Hybrid Equipped with Larger Engine, Improved Fuel Economy

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Among the changes, the Highlander Hybrid debuts a new, more powerful 3.5-liter V6 for 2011, replacing the previous 3.3-liter V6, while also improving fuel economy. The 2011 Highlander Hybrid receives EPA estimated fuel economy ratings of 28 mpg city and 28 mpg highway (8.4 The 2010 Highlander Hybrid carries an EPA fuel economy rating of 27 mpg city, 25 mpg highway. 2011 Toyota Highlander Hybrid. Click to enlarge.