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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. Knittel, 2009. Click to enlarge. Knittel, 2009. Knittel, Christopher R.
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. EPA’s proposed GHG standards, which are. mpg US (5.87 mpg US (5.87
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.
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.
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. Click to enlarge.
Future advanced engine and powertrain configurations must address emission and fuel economy requirements for worldwide applications, transition to bio-fuels, and synergies with future powertrain trends. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle. improvement in fuel economy over the baseline.
Plug-in hybrids dominate market penetration in 2025 under CAR scenario IV (62 mpg CAFE standard). Power and Associates to project the technology segmentation necessary to achieve anticipated fuel economy mandates in 2025. CAR researchers used the four fuel economy scenarios developed by. the 2008 model year fuel economy ratings.
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. Solar panels have been applied to the entire roof surface of the Yaris HSD concept.
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.
At the 2 nd International Conference Automotive 48 V Power Supply Systems , held last week in Düsseldorf, Germany, Controlled Power Technologies (CPT), a major sponsor of the event, together with leading car makers and Tier 1 suppliers, argued the need for an internationally agreed 48V electrical standard. Earlier post.).
Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines. When coupled with an energy recovery system, electric superchargers can be used to create a cost-competitive hybrid solution that can deliver fuel savings of up to 20% in the standard European driving cycle, Valeo said.
those which do not favor one technology over another through consumer incentives, federal subsidies, testing standards or technology-specific credits. Current fuel economy policy clearly demonstrates this fact. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”.
The footprint-based standard CO 2 curves for cars (left) and trucks (right). mpg if all improvements came from fuel economy) and 34.1 L/100km) fuel economy level, respectively. Each manufacturer will have its own fleet-wide standard which reflects the vehicles it chooses it produce. Source: EPA. Click to enlarge.
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. Click to enlarge. liter) GM engine.
Major automotive suppliers see current national fuel economystandards as a boon for company job growth and industry investment and don’t want to see them altered by policymakers, according to the findings of an annual survey commissioned by CALSTART, an automotive technology industry group. strongly agreed.
An intelligently designed power transfer plays a major part in this: the unique AMG Speedshift MCT 7-speed sports transmission combines dynamism with economy, and includes a new stop-start function in the “Controlled Efficiency” driving mode. liters per 100 kilometers according to the NEDC standard, and up to 0.2
Emission standards (g/mi). 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. Cycle-based CAE analysis of fuel economy contribution of critical technologies. Earlier post.).
The new MY2014 Mercedes-Benz Sprinter van for the US now features a 2.1L, 4-cylinder diesel with a t-speed automatic transmission as standard. This downsizing enables lower fuel consumption, accompanied by low emissions and optimum weight. The new Sprinter meets the future Euro VI emissions standard in all of its engine variants.
year-over-year increase in fuel efficiency and reduction in GHG emissions standards, which will result in projected overall industry averages of 40.4 We believe the industry could exceed the relaxed US efficiency standards as it must meet tighter standards in Europe, China, Japan, Korea and India. The final rule requires a 1.5%
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 economystandards, which will have widespread implications for future gasoline markets, according to EIA analysts. of the LDV market by 2025.
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.
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 Downsizing is rigorously being developed in the volume segments with the 1.2 It meets the EU 5 exhaust emission standard. Click to enlarge. liter TSI gasoline engine and the 1.6-liter
Port assisted direction injection (PDI)—a dual injection system for combining the benefits of port fuel injection (PFI) and direct injection (DI), and enabling a dual fuel system approach for high compression ratios and extreme downsizing on boosted engines.
As reported in a paper in ACS journal Environmental Science & Technology , the results showed that GDI technology has the potential to meet the upcoming California LEV III and US EPA Tier 3 PM mass standard of 3 mg/mi (phasing in over MY2017?2021) —Maricq et al. Credit: ACS, Maricq et al. Click to enlarge.
The unit features a six-hole GDI injector, pressured to a higher-than-average 200 bar, securing a clean combustion and improving fuel economy and emissions to fulfill Euro 6c emission standards, three years ahead of their introduction in 2017. liter T-GDI engine provides 117 PS (115 hp, 86 kW) in CNG mode, delivering 206 Nm of torque.
The new turbocharged gasoline engine achieves a superior level of engine performance with maximum power output of 155kW (211ps) while improving fuel economy with its downsized displacement. All grades of the next-generation Skyline turbo model achieve the 2015 fuel economystandard, qualifying for tax breaks.
Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.
Growth is led by developing regions such as China, India, Africa and other emerging economies. Additionally, to achieve proposed fuel-economy targets, personal vehicles will need to be smaller and lighter than they are today. This edition of the annual Outlook marks the first extension of the long-term energy forecast to 2040.
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.
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. The standard 2013 Regal four-cylinder engine also is equipped with eAssist. Verano’s standard Ecotec 2.4L
This downsizing concept coupled with energy recuperation and stop-start technologies from the Audi modular efficiency platform give them fuel consumption ranging from 3.8 The newly developed four-cylinder exemplifies the Audi’s downsizing strategy of substituting turbocharging for volume. mph) and offers fuel economy of 3.8
Downsizing and technologies such as the Stop/Start system contribute to improved fuel efficiency in the gasoline-powered versions. Standard equipment on all turbodiesel models of the base Trendline version now includes the Stop/Start system and battery regeneration. TDI diesel with 105 PS and 250 N·m (184 lb-ft) consumes 4.2
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. Standard, one-dimensional ultrasonic testing can identify defects but cannot quantify their size and position, said Baberg. Click to enlarge.
49% of respondents thought that powertrains would see the greatest percentage of material changes as a result of proposed 2025 CAFE standards. The auto industry’s current materials portfolio will need to be augmented to meet new 2025 fuel economystandards, according to a WardsAuto and DuPont Automotive survey conducted in late July.
Featuring the application of Honda’s VTEC variable valve control technology along with direct injection turbocharging with highly-fluidized combustion and a thorough reduction in engine friction, this engine achieves class-leading output and environmental performance, while downsizing engine displacement, Honda said. engines: 2.0L
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.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. Delphi 500+ bar GDi pump. This reduces emissions in regulated testing including RDE (Real Driving Emissions). —Walter Piock.
Ford says the engine can deliver up to 15% better fuel economy than comparable six-cylinder engines. liter EcoBoost, the standard unit on MKC, generates 240 hp (179 kW) at 5,500 rpm and 270 lb-ft (366 N·m) of torque at 3,000 rpm, according to preliminary test data.
To address this request, the NRC formed the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Further, the benefits of some technologies are not completely represented in the tests used to estimate corporate average fuel economy (CAFE).
In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fuel economy by ?10% increase in fuel economy, according to their work; 8.5% Applying optimal fuel octane throughout the LA-4 drive cycle would result in an overall potential 15.5%
Among the changes in the new Juke are a new design at the front and rear with greater emphasis on both premium refinement and sporty design cues; a new downsized 1.2-liter liter turbocharged engine offering greater performance, economy and lower emissions; a revised 1.6-liter Despite its modest size, the 1.2-liter l/100km (42.8
Growth in light duty SSV sales during the next decade will be predominately in the three major market regions of North America, Western Europe, and Asia Pacific, primarily because these regions are the most aggressive in their implementation of fuel economy and emissions regulations. By then, 82.8% of vehicles sold in Western Europe, 69.9%
Due to strong federal and state emissions standards, the average new car has gotten 43% cleaner since 1998. To determine GHG emissions, UCS considered the fuel economy, fuel type, and sales volume of each type of vehicle sold by each automaker in the 2013 model year (MY2013). Source: UCS. Click to enlarge. Methodology.
VTES is optimized to use the standard 12V vehicle architecture. When applied to a radically downsized 1.2-liter When applied to a radically downsized 1.2-liter liter naturally aspirated engine, the downsized engine with electric supercharger reduces the 70-100 km/h (44-63 mph) top gear acceleration time from 18 to 11 seconds.
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