VW suggests engine downsizing is done; emissions rules are the reason

Green Car Reports

When it comes to improving fuel efficiency, simply making an engine smaller is a fairly direct way to get results. They have downsized engines across model lines, usually adding turbochargers at the same time to match the power output of the larger-displacement engines that they. emissions VW downsizing Fuel Economy TurbochargingIt's the approach that many automakers have taken in recent years.

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

Green Car Congress

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 Cost of the new engine relative to gasoline baseline.

2014 113

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Complex engine tech gets better ratings, does little in real world: report

Green Car Reports

Lately, automakers haven't been touting the rising fuel economy of new vehicles, but it has to continue rising to meet reductions in the legal levels of carbon emitted. While major strides in fuel economy have been made over the past five years, the complex engine technologies and other improvements turn out to have less effect in real-world. emissions hybrid downsizing CAFE Fuel Economy Turbocharging EPA Ratings Corporate Average Fuel Economy

2017 70

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

Green Car Congress

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. Their paper is published in the journal Fuel. The Miller cycle also has been shown to improve fuel economy at partial loads, owing to a more widely open throttle (WOT) and lower pumping loss. Engines Fuel Efficiency

2018 70

Next Mercedes-Benz small cars to get even tinier engines

Green Car Reports

Not so many years ago, a 1.2-liter engine would only have been found in the U.S. But times change, and engines of that size will soon be found even in the smallest of Mercedes-Benz luxury cars. emissions Future Cars downsizing Engines Fuel Economyin the smallest and least impressive of subcompact cars. It might have been a 3-cylinder, and certainly wouldn't have had even 100 horsepower.

2017 66

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

BorgWarner says that its Valve-Event Modulated Boost (VEMB) system can offer a total possible fuel economy improvement of 6% at low speeds to 17% at high speeds over already downsized and turbocharged engines by separating the exhaust event into an early blow-down phase directed toward the turbo and a late scavenge phase directed toward the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

Tougher testing for emissions may mean bigger engines, but why?

Green Car Reports

Stricter global emissions standards have led many automakers to downsize engines, but that trend may be about to reverse itself. Cutting displacement is a relatively straightforward way to improve fuel economy. emissions CAFE Fuel Economy Turbocharging Corporate Average Fuel EconomyBut as regulators move toward adoption of more realistic testing procedures in the wake of the Volkswagen diesel scandal, automakers may.

2016 76

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

Green Car Congress

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 85

Ford Marks 5-Millionth EcoBoost Engine Since 2009

Green Car Reports

Back in 2009, Ford introduced what would become the backbone of its fuel-efficiency strategy: the EcoBoost line of efficiency-focused engines. Ford has used the smaller turbocharged, direct-injected engines in most of its models to improve its EPA fuel-economy ratings--even if high gas-mileage numbers aren''t always reflected in all buyers''. EcoBoost Turbochargers direct injection downsizing Fuel Economy EPA Ratings

2009 63

BorgWarner launches new low-friction engine timing chain; 0.3-0.6% improvement in fuel economy

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mm inverted tooth silent engine timing chains are launching on engines from Mitsubishi, Suzuki, Hyundai, General Motors Korea and one Chinese automaker. improvement in fuel economy based on customer testing. BorgWarner will produce the new low-friction engine timing chains for a variety of 0.66- to 2.0-liter gasoline engines for vehicles in Japan, China and Korea. BorgWarner’s next-generation 6.35

2014 65

Infiniti Q80 Inspiration concept hybrid delivers 550 hp with 42.8 mpg fuel economy

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The four-door fastback is powered by a hybrid electric powertrain that is expected to deliver 550 hp (410 kW) with fuel consumption of 5.5 Combined engine and motor system torque is 750 N·m (553 lb-ft). Driver Assistance Systems Engines Hybrids

2014 95

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

Green Car Congress

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. I4 Ecotec engine. Engine configuration.

2013 78

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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MiGTDI engine. 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 engine. The 2.3L Source: Ford.

2014 91

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

Green Car Congress

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% configuration of the engine. FEV is also supporting Pinnacle on those initial versions of the engine. Fuel economy. To predict fuel economy for the baseline 1.5L

2013 65

Optimized direct-injection hydrogen engine estimated to exceed 2016 CAFE fuel economy targets at Tier 2 Bin 2 emission levels

Green Car Congress

The H2-DI engine was estimated to exceed 2016 CAFE targets with engine out Tier 2 Bin 2 (SULEV) emission levels. The team sees further potential for fuel economy improvement with engine downsizing. The engine delivers peak BTE of 45.5%

2011 91

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

Green Car Congress

A paper on their work is published in the ACS journal Energy & Fuels. Blending 25-50% of this low-temperature ethanol reformate with ethanol or E85 fuels enables dilute engine operation, resulting in substantial improvements in fuel economy and emissions.

Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

Green Car Congress

Technologies in the EA888 engine line. Among the important product changes for Volkswagen of America for the 2014 model year is the introduction of the EA888 1.8-liter turbocharged and direct-injection four-cylinder TSI engine, which will gradually replace the 2.5-liter five-cylinder naturally aspirated powerplant fitted to the Jetta, Beetle, and Passat models. The EA888 is one of the Volkswagen Group’s three major engine lines: EA 211 (gasoline engines 1.0l

Tesla 500k goal, new-car fuel economy, FCA turbo 4-cylinder: Today's Car News

Green Car Reports

Also, new-car average fuel economy fell in April, and Fiat Chrysler Automobiles is reportedly working on a downsized turbocharged 4-cylinder engine for fuel efficiency. Today, Tesla aims to produce 500,000 cars per year by 2018, rather than 2020 was originally stated. All this and more on Green Car Reports. A consortium plans to test a 48-volt. Today in Car News

Volvo to concentrate on hybrids and downsized engines for US

Green Car Congress

Volvo Car Corporation will rely on a powertrain strategy based on its new downsized 4-cylinder VEA (Volvo Environmental Architecture) engine platform ( earlier post ) and hybrids for the US market, said John Maloney, recently appointed President of Volvo Cars, US, in an interview at the Detroit Auto Show. The engine in the XC60 Plug-in Hybrid Concept has no conventional starter motor or alternator. The 2012 XC60 carries an EPA fuel economy rating of 20 mpg US (11.8

JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

Green Car Congress

Anhui Jianghuai Automobile Group Co Ltd (JAC) and Ricardo are collaborating on a project to develop the Ricardo HyBoost concept ( earlier post )—a combination of low-cost technologies to deliver improved performance and fuel economy which featured recently in the Ricardo Centenary celebrations —into volume production on a JAC vehicle. It also enables re-starting of the engine after stopping, as part of an intelligent in-gear engine start/stop strategy.

2015 65

New lightweight aluminum piston from Federal-Mogul enables further downsizing of gasoline engines

Green Car Congress

Federal-Mogul Corporation has developed a lightweight, high-strength aluminium piston that enables engine manufacturers to increase the power density and efficiency of boosted, direct injected gasoline engines. Baberg, chief engineer product engineering, Federal-Mogul Powertrain Energy.

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Tags: Fuel Efficiency

2009 78

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

Green Car Congress

New engines and transmission. 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. Kappa 1.4-liter T-GDI engine.

Smaller car worst for true fuel economy performance

Green Cars News

The idea that downsizing will save you money in fuel costs, has been thrown into doubt as new research reveals that small engines often fail to meet their official MPG figures by the largest margin.

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. Net indicated efficiency of the Pinnacle Opposed-Piston engine, CR = 15:1, 87 Octane. Pinnacle Engines’ 4-stroke opposed-piston engine. —Tony Willcox, Pinnacle Engines. Engines

2012 110

Hyundai introduces hybrid version of new Sonata; 10% improvement in fuel economy over predecessor

Green Car Congress

Hyundai expects the 2016 Sonata Hybrid to improve fuel economy more than 10%. The 2016 Sonata Hybrid features a downsized 2.0-liter Nu GDI four-cylinder engine paired with a six-speed automatic transmission that houses a more powerful 38 kW electric motor and clutch where the torque converter would normally be found. Sonata Hybrid’s Nu engine produces 154 horsepower (115 kW) and 140 lb-ft (190 N·m) of torque.

2015 60

Ford launching major new product push in Europe; fuel economy and 1.0L EcoBoost engine; first Ford full hybrid car for Europe

Green Car Congress

Ford projects that two-thirds of all the company’s vehicles in Europe will be leaders, or among the very best, in terms of fuel efficiency by 2013. The 1.0-liter EcoBoost is the most power-dense production engine the company has ever produced.

2012 85

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

Green Car Congress

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). Diesel Fuel Efficiency Hybrids Vehicle Systems

2013 65

Are Eco settings on cabin ventilation systems a safety hazard?

Green Car Reports

As corporate average fuel economy requirements that started in 2012 continue to tighten, automakers have turned to an entire arsenal of tactics to reduce the fuel their vehicles burn. Downsized and turbocharged engines, transmissions with many more gears, lighter-weight structures, better aerodynamics and more all add incrementally to efficiency. CAFE Crashes carbon dioxide air conditioning Corporate Average Fuel Economy Hazard

MAHLE study finds its Turbulent Jet Ignition pre-chamber initiated combustion system can deliver HCCI-like fuel economy in a conventional PFI engine

Green Car Congress

Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fuel economy across both NEDC and FTP drive cycles, with a 13% improvement in fuel economy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system.

2011 78

Magnetic eCVT could replace conventional hybrid mechanical eCVT with likely 1-2% fuel economy improvement and other benefits

Green Car Congress

Magnomatics was founded in 2006 by a group of engineers from the University of Sheffield (UK) to commercialize magnetic gearing and motor technology developed there. MAGSPLIT is intended to replace mechanical eCVTs with a combination motor/magnetic gear. Source: Magnomatics. Click to enlarge.

2014 99

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5

2013 60

Ricardo to assist Lifan in development of 1.2L turbocharged DI gasoline engines for downsizing applications

Green Car Congress

Ricardo will assist Lifan Automobile Group based in Chongqing, China, with the development of a family of highly downsized gasoline engines capable of meeting future Chinese and international fuel economy and emissions regulations. Under the new contract, which follows on collaboration between the two companies over the past five years, two new engines will be developed based on a common 1.2L

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

Green Car Congress

The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events.

2011 78

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

Green Car Congress

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.

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration. The shift schedule optimization technique resulted in fuel economy gains of up to 12.2% The team first tested the base turbocharged engine.

2012 60

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

Green Car Congress

The system was realized with the new 1.4-liter gasoline-fueled TSI of the Polo BlueGT. The TSI develops a power output of 103 kW / 138 hp, with a combined fuel consumption of 4.7 If the Polo BlueGT is ordered with the optional 7-speed dual clutch gearbox (DSG), fuel consumption drops further to 4.5 TSI in the Polo BlueGT is the top engine of the entirely new EA211 series of petrol engines. Engines Fuel Efficiency Vehicle SystemsPolo BlueGT.

2012 65

Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

Green Car Congress

Ford will upgrade its entire powertrain portfolio in China by bringing 20 advanced engines and transmissions to support its planned introduction of 15 new vehicles to China—the world’s largest auto market—by 2015. Ford also announced that it will produce its new 1.0-liter EcoBoost engine ( earlier post ), the smallest in the EcoBoost engine family, in China to equip its vehicles produced and sold in the market. million EcoBoost engines annually.

2011 60

Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

Green Car Congress

A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The researchers found that the combination of technologies allowed improvements in fuel economy over the engine drive cycle. Key Properties of the Test Fuels. Tags: Biobutanol Engines Ethanol Fuels

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

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Testing was conducted over the LA92 and US06 Supplemental Federal Test Procedure (US06) driving cycles on typical California E10 fuel. Both vehicles were tested over duplicate LA92s and US06 cycles using California E10 fuel. Emissions Engines Fuel Efficiency Health

2018 113