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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 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.
In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.).
The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The upcoming four-cylinder VEA (Volvo Environmental Architecture) engine range includes common rail diesels and direct injected gasoline engines. It’s time to stop counting cylinders.
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. Specific power outputs in engines are likely to increase from current levels of around 95 kW/L to 130 kW/L to coming years.
Ricardo will assist Lifan Automobile Group based in Chongqing, China, with the development of a family of highly downsizedgasoline engines capable of meeting future Chinese and international fuel economy and emissions regulations. capacity.
In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Vehicle fuel efficiency on FTP. +35% Earlier post , earlier post.). Background.
The EA888 is one of the Volkswagen Group’s three major engine lines: EA 211 (gasoline engines 1.0l to 1.6l); EA 888 (Gen3 gasoline engines 1.8l The implementation of the new EA888 gasoline unit will help ensure that more than 90% of the cars sold by Volkswagen in the US have these efficient powerplants. liter unit.
ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. The system, say the researchers, offers the potential to exploit most of the benefits of operating on premium high octane fuel while using less expensive regular grade more effectively.
variant but with fuel economy of a strong hybrid. HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge. Click to enlarge.
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.
Using higher volume blends of ethanol to leverage the alcohol’s inherent high octane rating to produce ethanol-gasoline blends with higher octane numbers could yield “substantial societal benefits”, according to a team of researchers from Ford Motor Company. Anderson and colleagues suggest in a new paper published in the journal Fuel.
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.
The new Polo GTI, in what Volkswagen is calling “textbook downsizing”, is powered by a new 1.4-liter liter TSI with gasoline direct injection plus turbo- and supercharging. At the same time, it is VW’s most fuel-efficient and lowest emitting GTI. Combined fuel consumption is 5.9 Click to enlarge.
In a new report analyzing the emerging global market for technologies that improve fuel economy, Navigant Research forecasts that sales of gasoline and diesel stop-start vehicles (SSVs) will reach 63 million annually by 2025, representing 58% of all vehicles sold in that year.
Together the partners have sought to demonstrate an extremely cost-effective, ultra-efficient gasoline engine in a C-segment passenger car delivering the performance of a baseline 2.0-liter liter model but with significantly reduced real-world and drive cycle CO 2 emissions, and comparable improvements in fuel-economy. Earlier post.).
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. Earlier post.) Earlier post.)
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. Earlier post.). Source: Kirwan et al.
L 3-cylinder direct injection gasoline turbo engine. announced that it has newly developed the VTEC Turbo, a direct injection gasoline turbo engine family most suitable for small-to-medium-sized vehicles. 4-cylinder direct injection gasoline turbo engine. L 4-cylinder direct injection gasoline turbo engine / 1.0
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 The system was realized with the new 1.4-liter Earlier post.)
Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% Further, there is increasing interest among stakeholders in exploring the benefits of higher octane fuels that would lead to higher compression ratios which would lead to more efficient engines and reduced fuel consumption.
Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. and is port fuel injected. Source: ETH Zürich. Click to enlarge.
The industry has long recognized that increasing injection pressure to 500+ bar could substantially cut engine-out particulates while improving CO2 emissions and fuel economy. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi injector. —Walter Piock.
The D-EGR concept dedicates one (or more) cylinders to EGR production and fuel reforming. The new engines, due to be available in PSA vehicles by 2018, will consume 10% less fuel than their predecessors across all uses, according to PSA. The D-EGR concept also combines the high efficiency potential of in-cylinder gasoline reformation.
In a further extension of Ricard’s collaboration with the Lifan Automobile Group based in Chongqing, China, the company will assist in the development of a new turbocharged gasoline direct injection engine. With work on the project starting in July, the first engines are due for production in late 2014.
Hyundai Motor America has introduced its next-generation hydrogen fuel cell vehicle, the Tucson ix Fuel Cell Electric Vehicle (FCEV). The Tucson ix FCEV made its US public debut at Fuel Cell & Hydrogen Energy 2011 in Washington, DC. It achieves gasoline equivalent fuel efficiency of more than 70 mpg US (3.36
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
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. HCCI range extension with boosting. Source: Bosch. Click to enlarge.
A study by a team from Ford Motor Company and AVL has concluded that a mid-level ethanol blend—greater than E20 but less than E40—appears to be attractive as a long-term future fuel for the US for use in engines optimized for the higher octane blend. These include: Lower energy content than that of gasoline. Earlier post.)
Light duty vehicle fleet by type and average fuel efficiency. The vast majority will be hybrids that use mainly gasoline plus a small amount of battery power; these will make up more than 40 percent of the global fleet by 2040. By 2040, heavy duty fuel demand will be up about 60 percent versus 2010. Transportation fuel demand.
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. Depending on the model and the tires fitted, combined cycle fuel consumption for the new family is between 4.3 Citroën developed two different capacity versions: 1.0-liter
Federal-Mogul Corporation has developed a cost-effective new material for valve seat inserts that helps manufacturers meet the durability demands of engine downsizing and alternative or high-octane blended fuels.
Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
DENSO Corporation has developed its first EGR cooler for gasoline engines. DENSO plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. DENSO plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. Click to enlarge.
Mercedes-Benz is is launching two new luxury hybrids in its core segment: the diesel-electric E 300 BlueTEC HYBRID, and the gasoline-electric E 400 HYBRID. Preliminary fuel consumption rating is 4.2 The hybrid represents part of the downsizing strategy of Mercedes-Benz. E300 BlueTEC HYBRID. Click to enlarge. E 400 HYBRID.
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). liter downsized turbocharged centrally-mounted direct injection engine. Yang et al.
The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.
Toyota intends to leverage the benefits of high frequency and high efficiency of SiC power semiconductors to enable PCU downsizing of 80%. The high frequency control of SiC allows the downsizing of coils and condensers within the PCU. ???Source: Click to enlarge. Source: Toyota. Click to enlarge. Source: Toyota. Click to enlarge.
Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. In addition, Hyundai is premiering at the Paris show its first 7-speed dual-clutch transmission, fitted into the i30 CNG natural gas concept car, which contributes to improved fuel efficiency. Both engines—1.0-liter
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.
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. 2017.11.006.
liter with high pressure gasoline injection up to 500 bar (7,252 psi) with a maximum of 12,000 rpm. The downsized engines will deliver a 35% reduction in fuel consumption and will feature extensive energy management and energy recovery systems, while maintaining current levels of performance. Current units are 2.4L
Tucson ix Fuel Cell Electric Vehicle. Hyundai Motor Company has completed development of its next-generation hydrogen fuel cell vehicle—the Tucson ix Fuel Cell Electric Vehicle (FCEV)—and will begin testing next year with an eye toward 2015 mass production. Fuel cell stack output. Click to enlarge.
improvement in fuel economy based on customer testing. liter gasoline engines for vehicles in Japan, China and Korea. As automakers began downsizing engines to improve fuel economy, BorgWarner recognized opportunities to help further improve engine efficiency by reducing power-wasting friction in the engine timing system.
The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging.
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