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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.
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. Source: ICCT. Click to enlarge.
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.
Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fuel economy improvements beyond the current 10-15% MHEV limit. Finally, partial hybridization using the 48V powertrain may be integrated to improve fuel economy. —Abdellahi et al.
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. The EU has set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km. Earlier post.). Earlier post.) Earlier post.).
GM has made three product commitments for 2017 related to its sustainability strategy: to have 500,000 vehicles on the road in the US with some form of electrification ( earlier post ); to double the number of US models that can achieve an EPA-estimated 40 mpg US (5.9 Fuel Efficiency Lifecycle analysis Manufacturing' Earlier post.).
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. Both engines—1.0-liter liter and 1.4-liter liter T-GDI engine. liter T-GDI unit. liter engine. Based on a 1.7-liter
In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted. Earlier post.)
The US Department of Energy (DOE) has announced the 2017 Small Business Innovation Research and Small Business Technology Transfer (SBIR/STTR) Phase I Release 2 topics , including three subtopics focused on hydrogen and fuel cell technologies. All fuel consumption testing must be conducted according to automotive industry norms.
A team from the University of Birmingham (UK) and Shell Global Solutions has investigated the effect of RON, octane sensitivity and charge cooling in splash-blended ethanol fuels with different volume percentages of ethanol on a single-cylinder direct-injection spark ignition (DISI) research engine. and 85 vol.%
Among the key activities and goals in this area at present are: Achieving annual global sales of more than 30,000 fuel cell vehicles around or after 2020. In Japan, selling at least 1,000 fuel cell vehicles per month (well in excess of 10,000 per year). that can improve the fuel efficiency of hybrids by 10 percent.
liter TSI engine in the new VW Tiguan and the Audi A5 in June 2017. Although gasoline direct injection (GDI) enables downsizing with its increased power and lower fuel consumption, it also results in higher particulate emissions. This will reduce particulate emissions from the direct injection gasoline engines by up to 90%.
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. Wide-spread EcoBoost application will enable downsizing—moving from eight-cylinder engines to six, and from six to four, while maintaining or even improving performance.
The 2017 model of the Porsche 919 Hybrid deploys a range of new innovations, particularly in the vehicle’s aerodynamics, the chassis and the combustion engine. Team Principal Andreas Seidl, who continues to serve as acting technical director, said that for the 2017 season, 60 to 70 percent of the vehicle is newly developed.
At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. New Fiesta. liter EcoBoost engine.
In separate presentations at the 2017 SAE High Efficiency IC Engine Symposium in Detroit, R&D executives from GM and Ford each stressed the importance of improved, advanced fuels—among other technology developments—for their future engine efficiency gains and for long-term CO 2 emissions goals. Near zero sulfur (.
Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.
For Honda on the vehicle side, that strategy encompasses ongoing development of more efficient hybrids, as well as battery-electric and fuel cell vehicles. Honda’s work on hydrogen-powered vehicles stretches back to the 1980s, when it began basic research on fuel cells, and engaged in research and development of FCVs. Earlier post.).
Delphi is highlighting new developments in the area of fuel injection systems, ignition, valve train and ancillary systems for improving fuel consumption and lowering CO 2 emissions from spark ignition engines without what it calls the cost and risk of different technologies. Spray stratified GDi. Click to enlarge.
Compliance with future emissions standards such as Euro 6b (from 9/2014) and Euro 6c (from 9/2017) will call for further improvements in engine combustion processes. Such dynamic variations in injection and combustion conditions can have a significant effect on fuel consumption, which demands even more of the injectors.
The electrical vacuum pump has been developed by Pierburg in Germany, where production started in 2017 for another order of the same customer. Especially for today’s downsized gasoline engines, the electric pumps are also useful since they always guarantee an adequate vacuum level, for example for boosting braking power.
While policies worldwide are tightening emissions and fuel economy standards, the strictest standard of all is expected in Europe in 2020, Bohr said—average fleet CO 2 emissions of 95 grams per kilometer. This will be done with a broad range of efficiency-enhancing technologies, including the turbocharging of downsized engines.
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.
The sleek tractor-trailer combination boosted fuel efficiency by 70%—exceeding 12 mpg, with some test runs showing more than 13 mpg—in road tests, and powertrain brake thermal efficiency reached 50%. This new design added “wave” bumps on the side of the piston bowl, which allows the fuel to burn more cleanly.). for the D13.
Punch Powertrain, a Belgium-based full-system supplier of fuel-efficient powertrains including transmissions and plug-in hybrid and battery-electric systems, is acquiring France-based power electronics expert Apojee. Furthermore, the ICE can be downsized using a larger but slower turbo to retain power requirement.
Daimler Trucks North America’s (DTNA) SuperTruck program has achieved 115% freight efficiency improvement (gallons of fuel consumed per ton of goods moved per mile traveled)—surpassing the Department of Energy (DOE) program’s goal of 50% improvement and exhibiting the best results of all reporting OEMs. Click to enlarge. Powertrain.
Testing was conducted over the LA92 and US06 Supplemental Federal Test Procedure (US06) driving cycles on typical California E10 fuel. The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced.
The analysis used by federal agencies to set standards for fuel economy (CAFE) and greenhouse gas emissions for new US light-duty vehicles from 2017 to 2025 was thorough and of high caliber overall, according to a new report from the National Research Council. only the MY 2017-2021 CAFE standards are final. mpg by 2025.
Kia unveiled three major hybrid offerings at the Chicago Auto Show: the 2017 Niro Hybrid Utility Vehicle; the new Optima Hybrid; and the new Optima Plug-in Hybrid. Because the high-voltage battery is both power and energy dense, engineers were able to use the downsized gasoline engine to maximize fuel economy and reduce emissions.
The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. —Isenstadt and German (2017). real-world fuel economy, performance, drivability, reliability, and safety.
3 B-Cycle gasoline engine is the first example of Volkswagen’s “Rightsizing” strategy—an engine development strategy that looks to for the optimal balance of displacement, output, torque and efficiency based on vehicle class and real-world operating conditions, rather than just seeking to downsize. 2017 Toyota RAV4. Height (in).
Co-Optima’s premise is that current fuels constrain engine design—and thus engine efficiency. The teams are also evaluating the impact of discrete fuel properties on advanced SI engine performance. The research teams have identified more than 40 promising blendstock candidates.
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. kg) per year per light vehicle. —Randall Scheps.
Scientists at Rice University and their colleagues in China have fabricated a durable catalyst for high-performance fuel cells by attaching single ruthenium atoms to nitrogen-doped graphene. Catalysts that drive the oxygen reduction reaction in fuel cells are usually made of platinum. Yakobson, Juncai Dong, Dongliang Chen, and James M.
This annual sales estimate, combining both passenger and commercial vehicles, would add more than 232 million turbocharged vehicles globally between 2017 and 2021—an increase of 35% from today. E-boosting products can significantly improve engine responsiveness and also provide better fuel economy. liter six-cylinder.
Based on US Department of Energy estimates, a total vehicle mass reduction of 33% including powertrain, as demonstrated on the 2020 passenger car model, results in a 23% reduction in fuel consumption. The study investigated scenarios for two distinct vehicle architectures appropriate for production in 2017 and 2020. Closures/Fenders.
GDI is a strategy to improve fuel efficiency that is rapidly gaining market acceptance, as illustrated by the popularity of Ford’s GDI EcoBoost engines. The EU has already set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km.). and fuel properties. Earlier post.) gasoline blend.
First introduced in the 2009 CC, the EA888 continued Volkswagen’s move toward smaller, turbocharged engines that offer the fuel economy benefits of downsizing with the power of a larger-displacement unit. The net effect is lower fuel consumption and more torque than the 2.0-liter liter EA888 engine fitted in the 2017 Tiguan.
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. This is much lower than the measured 14.5%
The EU goal is to introduce the WLTP by 2017 if possible and no later than 2020 to coincide with the 95 g/km requirement. This means that in addition the power demand is more difficult to achieve with engine downsizing and transmission down-speeding alone. the Worldwide harmonized Light vehicles Test Procedures (WLTP).
The purpose of the 21CTP is to reduce fuel consumption and emissions; increase heavy-duty vehicle safety; and support research, development, and demonstration to initiate commercially viable products and systems. Among the findings and recommendations, by area, from the new report are: ENGINE SYSTEMS AND FUELS. Earlier post.).
Projects selected through this solicitation will complement DOE’s Vehicle Technologies Office (VTO) research started in FY 2017. CNG Full Fills with a Complete Smart Fueling System. Downsized, Optimized, High Efficiency, Spark Ignited Natural Gas Engine.
The product is currently in development, with validation testing set to begin in November 2016 and prototypes available for customer trials from January 2017. The car’s downsized 1.2 Aeristech’s eSupercharger technology has been publicly validated and exhibited in a prototype vehicle by MAHLE Powertrain UK.
Federal-Mogul Powertrain is extending its crankshaft bearing portfolio with a new high performance polymeric coating, IROX 2, that will debut at the 2017 IAA show in Frankfurt, Germany later this year. By reducing friction, the innovative bearing coatings also help to lower fuel consumption and CO 2 emissions.
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