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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.
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
The new Polo GTI, in what Volkswagen is calling “textbook downsizing”, is powered by a new 1.4-liter The engine, which delivers 132 kW (177 hp), is coupled with a 7-speed DSG as standard. At the same time, it is VW’s most fuel-efficient and lowest emitting GTI. Combined fuel consumption is 5.9
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 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.
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.
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.
Modelled results of fuel consumption in 2011 Nissan Sentra. The Sentra model was simulated through a standardized Federal Test Procedure-75 (FTP-75) drive cycle for each SSC engine design. Preliminary results showed up to a 25% decrease in fuel consumption (i.e., Source: Scuderi. Click to enlarge.
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.
mpg US) (NEDC combined consumption, provisional figure)—a fuel savings of 25% compared to the current S63 AMG. With this high-tech package we are “best in class” with respect to fuel consumption, output and torque.” With the provisional NEDC fuel consumption of 10.5 The new AMG 5.5-liter
Especially with increased production volume of renewable fuels and optimized powertrain solutions for flexible fuel vehicles, there is a chance for combustion engines to not only remain in the market but also be sustainable for future vehicle. The intake manifold was modified for high pressure EGR feed and port fuel injection (PFI).
Light duty vehicle fleet by type and average fuel efficiency. Additionally, to achieve proposed fuel-economy targets, personal vehicles will need to be smaller and lighter than they are today. Vehicle downsizing could account for more than one-third of total projected fuel economy improvements through 2040.
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.
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.).
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.
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. The CO 2 emissions of the i30 CNG concept car are just 87 g/km, which already meet strict Euro 6c emission standards.
liters of fuel per 100 kilometers (23 mpg US mpg). liters less fuel per 100 kilometers (23%). liters less fuel per 100 kilometers (23%). With an average fuel consumption of 10.2 liters per 100 km (23 mpg US), the Audi S8 is significantly more fuel efficient than its competitors, according to Audi.
Federal-Mogul Corporation has developed an innovative aluminum piston design that can reliably withstand the mechanical and thermal loads produced by heavily boosted engines, thereby enhancing diesel engine performance and supporting diesel downsizing. —Frank Doernenburg, Federal-Mogul director of technology, pistons and pins.
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. The fuel is injected by means of magnetic injectors and seven-hole injection nozzles. This downsizing enables lower fuel consumption, accompanied by low emissions and optimum weight.
OEM On-cost for turbocharged GDi and turbo-Diesel technologies to meet Euro 6 standards. The Delphi study assessed the technology of downsizing and turbocharging; GDI fueling and its synergies with turbocharging; and an analysis of downsized 3-cylinder versus 4-cylinder engines. Source: Kirwan et al. Click to enlarge.
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.
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”.
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) fuel injection timing, number of injections, fuel pressure, injector placement, etc.)
On 31 March, the US Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) released the final rule for The Safer Affordable Fuel-Efficient (SAFE) Vehicles for Model Years 2021-2026. The final rule requires a 1.5% mpg and 199 g/mile CO 2 in 2026. Earlier post.).
Major automotive suppliers see current national fuel economy standards 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.
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 Both engines impressively show how Volkswagen reduces the CO 2 emissions and the fuel consumption and that to fungible costs. It meets the EU 5 exhaust emission standard.
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.
Fuel and vehicle propulsion strategy. Alternative fuels have the potential gradually to replace fossil energy sources and make transport sustainable by 2050, according to a report presented to the European Commission last week by the stakeholder expert group on future transport fuels. Source: ERTRAC) Click to enlarge.
According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. Source: NRC. Click to enlarge.
A single lap of each stint (a fuel stint lasts approximately one hour) will be electric powered, then the new Nissan DIG-T R 1.5-liter With the entire concept of the Nissan ZEOD RC focussing heavily on downsizing and efficiency, Nissan turned to new lubricants partner Total to help develop the engine. Click to enlarge.
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 economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts. of new gasoline-fueled LDV sales.
All of the engines employ direct fuel injection and turbocharging. 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 liters of fuel per 100 km (46.1 Average fuel consumption is 5.1
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.
Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. FEV performed engine mappings in a dynamometer test cell to evaluate the fuel economy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. Click to enlarge. Improvement during CDC: 28.7%.
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.
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.).
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.
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.
The ICCT projects that a decline in diesel shares down to 15% in 2025 would not interfere with meeting EU CO 2 standards and would actually decrease costs of meeting CO 2 standards.17. On top of the higher energy density of diesel fuel, diesel engines historically possessed a number of efficiency advantages over gasoline engines.
Test results from that supplier have demonstrated potential fuel-saving, engine down-sizing and/or down-speeding opportunities without adversely affecting performance and drivability. Simulated performance of downsized 2.0L V6 engine as a baseline, Fallbrook has also simulated the use of a downsized 2.0L Click to enlarge.
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% Background. Earlier post.) 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. The fuel cell topics: Innovative Materials and/or Technologies for Bipolar Plates for PEM Fuel Cell.
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