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.

2012 78

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 2012 XC60 carries an EPA fuel economy rating of 20 mpg US (11.8 The XC60 Plug-in Hybrid Concept was introduced at the Detroit Auto Show. Click to enlarge.

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JD Power 2012 APEAL highlights ongoing downsizing trend for new car buyers in US; increasing satisfaction with smaller vehicles

Green Car Congress

Power and Associates’ latest APEAL (Automotive Performance, Execution and Layout) study—an examination of how gratifying a new vehicle is to own and drive, based on owner evaluations of more than 80 vehicle attributes— highlights an ongoing downsizing trend among US auto buyers, and finds that owners of small cars and light trucks are often just as satisfied with their vehicles as owners of larger ones. Fuel Efficiency Market Background Sales Vehicle Manufacturers

2012 76

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 presented its work at the SAE 2012 World Congress.

2012 73

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

Green Car Congress

The Advanced Elastoval II piston enters series production later this year in a new European passenger car, where it contributes to gains in fuel economy and reductions in CO 2. Peak combustion pressures will rise from 110 bar to 130 bar and even 160 bar in engines using alternative fuels such as E100, compressed natural gas (CNG) or others, Federal-Mogul notes. Engines Fuel Efficiency ManufacturingThe new Advanced Elastoval II piston. Click to enlarge.

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

Pinnacle Engines, the developer of a high compression ratio, four-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) reports that the most basic configuration of its engine has shown improvements in indicated specific fuel consumption (ISFC) of between 30-60% at light load and 12-30% at medium-load compared to a comparably sized conventional poppet-valve technology engine. Comparison of ISFC (@42.9

2012 101

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 Shutting down the second and third cylinders under low- and medium-load states reduces fuel consumption in the EU driving cycle by about 0.4 Polo BlueGT. Click to enlarge.

2012 88

ICCT-led analysis of turbocharged, downsized engine tech finds lower costs and greater benefits than 2012 EPA/NHTSA analysis; 48V, e-boost, Miller

Green Car Congress

A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends. Comparison of ICCT/supplier and EPA/NHTSA costs and benefits of turbocharging and downsizing technologies. 48V Emissions Engines Fuel Efficiency Vehicle Systems

2016 83

Consumer Reports survey shows high fuel costs cause downsizing, less driving; 73% would consider alt fuel vehicle

Green Car Congress

Two-thirds of owners surveyed said they expect their next vehicle to get better fuel mileage than the one they’re driving now, and fuel economy topped the list as the most important consideration when shopping for their next car, followed by quality and safety. In all, 73% of participants said they would consider some type of alternatively fueled vehicle, with flex-fuel and hybrid models leading the way.

2012 73

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

2017 71

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. At a given boost level and fuel quality this can only be compensated for by either spark retardation or adjustment of the compression ratio.

2013 78

2017 Ford Escape AWD 1.5-liter gas mileage review

Green Car Reports

Smaller engines with turbochargers have spread throughout new vehicles as a way to meet the increasingly stringent fuel-efficiency rules that started in 2012. But no maker has been as forward about marketing that technology as Ford, which now offers a range of downsized and boosted engines under the EcoBoost brand. Fuel Economy

2017 62

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

Green Car Congress

Preliminary testing results of a prototype of the magnetic eCVT presented at the conference suggest a likely 1-2% improvement in fuel consumption compared to a conventional hybrid system, along with the benefits of reduced system complexity, no lubrication, low battery charge swing (allowing either downsizing the battery or extending the life of the original size) and compact packaging. In 2012 Magnomatics secured £2.5

2014 92

DOT, EPA unveil joint proposal for fuel economy and greenhouse gas emission standards: 49.6 mpg CAFE, 163 g/mile GHG in 2025; flexibilities and incentives

Green Car Congress

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. L/100km), if the vehicles were to meet this CO 2 level all through fuel economy. reductions in air conditioning leakage, which would not contribute to fuel economy. dual fuel vehicles (e.g,

2011 110

Toyotas Yaris hybrid concept anticipates B-segment hybrid strategy with first downsizing of HSD; Prius +

Green Car Congress

This marks Toyota’s first downsizing of its HSD technology. This engineering solution targets the independent powering of the air-conditioning unit for improved full hybrid powertrain fuel economy. As in the standard Prius, the Prius+ features three on-demand drive modes to increase the capabilities of the full hybrid powertrain, including the EV mode for zero emissions, zero fuel consumption, all-electric driving. Yaris HSD concept. Click to enlarge.

Ford B-Max: class-leading economy and space

Green Cars News

Ford say its downsized and optimised engines will mean that its new compact family vehicle will will deliver best in class fuel economy for both in [.]. Ford CO2 emissions Ford B-MAX fuel economyThe new Ford B-Max-set to debut at next month’s Geneva Motor Show-is to offer emissions from as low as 104g/km CO2, thanks to the use of efficient new engines.

New Honda Earth Dreams Technology 1.6L diesel in Civic to deliver CO2 emissions of 95 g/km

Green Car Congress

It will be manufactured at Honda’s UK manufacturing facility in Swindon from the end of 2012. By downsizing from the outgoing 2.2L With these engines we aim to be Number 1 in fuel economy in each sector within 3 years. 1.6-liter i-DTEC. Click to enlarge. Honda’s new 1.6-liter i-DTEC engine in the new Civic will deliver CO 2 emissions of 95 g/km, according to Honda Motor Europe’s President, Manabu Nishimae, in his presentation at the Geneva Motor Show.

2012 99

Independent testing shows 21.2% reduction in fuel consumption with XL Hybrids retrofit system

Green Car Congress

reduction in fuel consumption achieved with XL Hybrids’ aftermarket hybrid electric powertrain ( earlier post ) on a light-duty cargo van on the UDDS cycle (urban conditions). The testing process compares fuel economy performance from the vehicle in its original condition with the performance using XL Hybrids’ charge-sustaining hybrid system. This year, the company will release between 30 to 50 fleet trials, Ashton told Green Car Congress , using the 2012 system.

2012 108

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

A simple Organic Rankine Cycle (ORC) waste heat recovery system could recover up to 10% of engine waste heat under highway driving conditions, corresponding to a potential 7% improvement in fuel consumption in a light-duty plug-in hybrid electric vehicle (PHEV), with low penalization of the added weight to the vehicle electric range, according to a simulation study by researchers from the University of Stuttgart and the Ohio State University. Δ in fuel consumption.

2012 103

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

Green Car Congress

The all-new 1.6-liter, four-cylinder, SIDI (spark ignition direct injection) ECOTEC Turbo engines, which begin Opel’s renewal of its powertrain portfolio, deliver improved fuel consumption, performance and refinement. 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%. Engines Fuel EfficiencyNew 1.6L SIDI engine. Click to enlarge.

2012 113

Buick offering 2.0L direct-injection turbo option for 2013 Verano

Green Car Congress

GM says that the choice to use a small-displacement turbocharged engine for a more powerful Verano model is consistent with Buick’s effort to downsize its powertrains without sacrificing performance. Verano and the Regal luxury sport sedan are available exclusively with four-cylinder engines, while the LaCrosse luxury sedan comes standard with a four-cylinder engine paired with eAssist technology, which uses an electric motor and battery to boost both performance and fuel economy.

Buick 81

CPT launching water-cooled electric supercharger for commercial diesel engines

Green Car Congress

Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. Commercial vehicle transport managers and off road operators certainly don't want to be wasting fuel and ultimately it’s always the metric they use for deciding whether emissions technology is cost effective or not. Cobra electric supercharger.

2012 118

Federal Mogul develops advanced aluminum piston for high-performance light-duty diesel engines

Green Car Congress

downsized diesel engines with improved fuel economy and CO 2 emissions. Federal-Mogul's 2D ultrasonic inspection technique enables high performance pistons for diesel downsizing. Premium vehicle manufacturers are introducing higher power diesel engines that improve dynamic performance, CO 2 emissions and fuel economy, but power outputs of more than 90kW/liter have long challenged piston designs, Federal Mogul notes.

2012 92

Pinnacle Engine pre-production prototype opposed piston engine shows about 27% fuel consumption improvement across different scooter cycles compared to conventional engine

Green Car Congress

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. A 110cc pre-production prototype of a Pinnace Engine 4-stroke opposed piston scooter engine ( earlier post ) showed approximately a 27% improvement in fuel consumption across different scooter cycles compared to a conventional benchmark engine in dynamometer and simulation testing by FEV. FEV adjusted settings for air fuel ratio according to the base calibrations for both engines.

2012 89

FEV displays Ford 1.0L EcoBoost engine at SAE World Congress; provided early development support

Green Car Congress

I3 Ford EcoBoost at the SAE 2012 World Congress. The EcoBoost engine represents one of the recent trends in the automotive industry, a move towards downsized and highly boosted engines that deliver higher power and better fuel economy than the larger engines they replace. FEV, Inc., is showing the 1.0L Earlier post.) FEV provided early development stage support for the engine in the area of design and CAE, combustion development, and engine build for 36 engines.

Ford’s 3rd generation powersplit hybrid system

Green Car Congress

With the Generation 3 HEV system, Ford decided to downsize the engine from a 2.5L Atkinson to improve fuel economy. However, Ford was able to compensate for that reduction by increasing battery power with its new Li-ion pack ( earlier post ), and increased electric power through the motor and the generator to recover to nearly the same level of performance as the outgoing model, but with significantly improved fuel economy.

2012 93

Rotrak testing prototype variable drive supercharger in vehicle on dyno

Green Car Congress

The company’s engineers have a prototype system running in a B-segment donor vehicle on a dynamometer and are calibrating the control strategy to prove its driveability, performance, CO 2 and fuel economy benefits. In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of.

2012 92

SAE High Efficiency IC Engine Symposium opens with consideration of alternative engine designs

Green Car Congress

SAE’s 2012 High Efficiency IC Engine Symposium in Detroit—the second as an immediate precursor to the SAE World Congress—opened on Sunday with a consideration of several alternative engine designs: opposed piston 2-stroke (Achates Power); variable compression ratio (MCE-5); split cycle (Scuderi); and advanced rotary (Liquid Piston). Non-ideal processes actually destroy the work potential of the energy in the fuel. Combustion irreversibilities of fuels are unavoidable.

2012 98

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

Green Car Congress

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%. Depending on the model and the tires fitted, combined cycle fuel consumption for the new family is between 4.3 The objective was to make substantial cuts in emissions and fuel consumption, and also to reduce the weight of the engines and to make them more compact.

2012 95

Hyundai outlines future powertrain strategy

Green Car Congress

In keeping with the trend to downsizing, Hyundai has been expanding the application of Turbo Gasoline Direct Injection (T-GDI) engines. Hyundai will continue its efforts to develop light-weight and fuel-efficient transmissions. For example, while Hyundai plans to increase the ratio of T-GDI engine-equipped models in its major markets including the US and China, it also plans to introduce flex-fuel engines for countries better suited for them.

2012 78

DENSO develops compact EGR cooler for gasoline engines; applied in Prius c

Green Car Congress

DENSO plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. As OEs around the world look to downsize engines to help meet the increasingly stringent regulations, EGR systems are becoming more necessary to optimize the powertrain combustion process and improve fuel economy. This reduces the amount of air forced into the cylinders, and at the same time the amount of fuel injected is reduced. DENSO EGR cooler.

2012 81

Nissan unveils 2013 Altima Sedan; 38 mpg highway

Green Car Congress

The 2013 Altima equipped with the 4-cylinder, 2.5-liter engine option has a targeted fuel economy of 27 mpg city / 38 mpg highway / 31 mpg combined (8.7, The award-winning VQ35DE 3.5-liter V6 remains rated at 270 hp (2012 kW) and 258 lb-ft (350 N·m) of torque. New control logic and expanded gear ratio coverage help reduce noise and fuel consumption while improving drivability and responsiveness. Engines Fuel Efficiency Safety Transmissions2013 Altima.

2012 81

Ford introduces new Fusion midsize sedan with new hybrid and Energi plug-in hybrid versions

Green Car Congress

The 1.6-liter EcoBoost is expected to deliver non-hybrid fuel efficiency of 26 mpg in the city and 37 mpg on the highway. It shuts off engine power smoothly when the car is stopped and seamlessly restarts as the driver releases the brake pedal, helping Fusion to reduce fuel consumption and emissions by approximately 3.5%. This powertrain is anticipated to deliver best-in-class fuel economy of 47 mpg (5.0L/100km) in city driving and 44 mpg (5.335 L/100km) on the highway.

2012 83

Ford Making Aggressive Push With EcoBoost and Technologies Such as Ti-VCT for Improved Fuel Economy; Roadmap for Future Generations of EcoBoost Highlights Role as Company Strategy as Well as Product

Green Car Congress

The next-generation of EcoBoost will seek to improve performance and fuel consumption through the use of technologies such as advanced boosting and cooled EGR. As part of an aggressive deployment strategy for improving fuel efficiency across its product line-up in the near-to medium-term, Ford will offer its first-generation turbocharged, gasoline direct-injection EcoBoost engines ( earlier post ) in 90% of its product lineup by 2013.

2009 69

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

Green Car Congress

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. The supercharged V8 gasoline engine has fuel economy gains of up to 11% with emissions reductions of more than 8%, while the naturally-aspirated V8 sees economy improvements of up to 8% with emissions down by more than 6%. 1, optimize power, torque and economy throughout the rev range.

2012 80

Nissan shows Hi-Cross Concept 7-passenger 4WD hybrid in Geneva; another implementation of “one-motor, two-clutch” system

Green Car Congress

Nissan unveiled the Hi-Cross Concept hybrid at the 2012 Geneva Motor Show, heralding a possible new design direction for the company as well as a possible expansion of the current Juke-Qashqai-Murano portfolio. The hybrid drivetrain couples an electric motor powered by a Nissan-developed compact lithium-ion battery with a 2.0-liter gasoline direct injection engine to provide the performance potential of a 2.5-liter with the economy and emissions expected from a much smaller unit.

2012 69

Could engine size be reduced by 50 per cent?

Green Cars News

The use of lightweight technologies and vehicle parts is seen as a vital part of efforts to meet fuel economy and emission goals – and now a new study is suggesting it may be possible to downsize an engine by 50 per cent. The Southwest Research Institute has discovered that by applying the Miller cycle [.]. Green cars Latest news engines green cars Scuderi Engine

Volkswagen Group introducing Modular Transverse Matrix this year; new engine families, lighter weight construction, powertrain flexibility

Green Car Congress

Fuel consumption values of the EA211 engines were reduced by 8 to 10%, in part due to reduced internal friction, lower weight and optimized thermal management; in conjunction with the new ACT cylinder deactivation system, the savings potential can be as much as 20%. At low and medium load, two of the cylinders are shut off, which reduces fuel consumption in the EU driving cycle by 0.4 This, in turn, improves the fuel economy of all MQB-based models.

2012 98

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

Green Car Congress

With five models, four of which are equipped with the new generation Stop & Start System (e-HDi), the diesel range starts at 87g/km of CO 2 (delivering fuel economy of 69 mpg US or 3.4 A new stage in the PSA Peugeot Citroën Group’s downsizing strategy, this new generation of engine block delivers a reduction of fuel consumption and CO 2 emissions, while offering a good level of performance for the entry-level versions. Engines Fuel Efficiency5-door 208.

2012 83

Delphi develops new high-pressure common rail systems for heavy-duty and light-duty engines; Euro VI and beyond

Green Car Congress

Delphi Automotive has developed a common rail fuel system technology for heavy-duty diesel engines that combines proven hardware with an innovative architecture, allowing vehicle manufacturers to meet Euro VI emissions standards without significant modification to their base engines. This concept system is expected to be ideal for heavily downsized applications and developing markets. Diesel Emissions Engines Fuel Efficiency Heavy-duty

2012 73

Does supercharging beat turbocharging?

Green Cars News

Downspeeding and supercharging while optimising the transmission; or downspeeding and turbocharging – which can offer the greatest fuel economy improvement? They showed that supercharging with downsizing can offer fuel economy gains by around 12.2 The Southwest Research Institute and Eaton examined the issue. per cent – while reducing shift frequency by 55 per cent compared [.]. Green cars Latest news Eaton Corporation green cars supercharger turbocharger

Industry survey finds aluminum use in autos at all-time high; average per vehicle use expected to more than double from 2012 by 2025

Green Car Congress

The survey shows continued growth in automaker’s overall use of aluminum reaching a high of 343 lbs (156 kg) per vehicle in 2012—up 5% from 327 lbs (148 kg) in 2009. As the Obama Administration considers stricter fuel economy regulations, automakers are expected to lower the overall weight of vehicles by approximately 400 pounds (181 kg) per vehicle, and as aluminum use increases, the mix percent is expected to double. in 2012.

2011 69

Ford assessment of two cylinder deactivation strategies for award-winning 3-cyl. EcoBoost

Green Car Congress

A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L liter EcoBoost became the first engine to be named overall International Engine of the Year three times in a row, and was in 2012 named “Best New Engine.”. That may be, but Ford is exploring ways to further improve the fuel efficiency of the three-cylinder design, including the possible use of cylinder deactivation.

2015 89