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version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius, according to David Boggs, Ricardo Technical Specialist, Engines, in a presentation at the recent 2011 Directions in Engine-Efficiency and Emissions Research Conference (DEER) hosted by the Department of Energy in Detroit.
SCR coated on filter (SCR-F) allows for close coupling of an SCR (selective catalytic reduction) function for fast light off. Resources (DOE will publish Merit Review presentations on its website.). Earlier post.). Exhaust system configuration. Weigert, E.,
The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. There is no ISFC improvement at high load. For a given test point, speed, throttle, and mixture (i.e.,
Hakan Yilmaz, Global Technology Management, Gasoline Systems, for Bosch presented an overview of and update on the project at the 2011 DEER conference in Detroit in October. Two-stage boost—a small supercharger for HCCI, and a regular turbocharger for downsizing. HCCI range extension with boosting. Source: Bosch.
Peugeot continues to improve engine efficiency with a downsizing strategy for its gasoline and HDi FAP diesel engines. Peugeot will also offer a 100% electric light commercial vehicles (LCV) based on the Partner Origin, with a load capacity of 3 m 3 , from the spring of 2010. Included in its product strategy are: Cleaner engines.
In their paper, presented at the SAE 2010 Powertrains Fuels & Lubricants Meeting last week, the two investigated the potential of ethanol and methanol in heavy duty (HD), long-haul applications, examining the issues of infrastructure, engine performance, and briefly, emissions and cost implications. In this manner a 3.6
The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) earlier post ). Earlier post.). Earlier post.).
In a new report, Navigant Research forecasts that total annual global light-duty start-stop vehicle (SSVs) sales will reach 59 million, accounting for 55% of all light duty vehicle sales. This also offers opportunities for other engine efficiencies such as electric boost. —“ Start-Stop Vehicles ”.
A range of aftertreatment technology options are available to automakers seeking to achieve compliance with the impending EU Real Driving Emissions (RDE) regulations, according to the results of a Ricardo research project presented recently at the SIA Powertrain international conference and exhibition in Rouen, France. liter diesel engine.
Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. The OSU EcoCAR PHEV powertrain.
Delphi presented the work in a technical paper “Development of High-Pressure Common Rail Systems Incorporating Advanced Electronic Control Strategies for Future Heavy-Duty Vehicles,” at the 33 rd Vienna Motor Symposium last week. This concept system is expected to be ideal for heavily downsized applications and developing markets.
Furthermore, they found that the limited working time at the high temperature presents an opportunity to use graphite of low surface areas, thereby prospectively prolonging the EV lifespan to greater than two million miles. The very fast charge allows us to downsize the battery without incurring range anxiety. —Professor Wang.
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.). I4 Ecotec engine.
In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. —Walter Piock.
The research presented at this World Congress was designed to: Present the current speed load range of TJI operation. The resultant low temperature results in the near elimination of engine out NO x.strong synergies exist when coupling jet assisted ignition with engine downsizing at both high and low engine loads. The new study.
During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Source: SwRI, DEER 2012. Click to enlarge. Alger, T.F.
” Bunker spent the bulk of his presentation describing the new medium- and heavy-duty fuel economy and greenhouse gas regulations from EPA and the Department of Transportation. The future that we point to [is] very conventional-looking engines.” Earlier post.) non-petroleum-based—for transportation.
The more efficient combustion engine technologies, with their enabling of downsizing, come in compatibly with hybridization, with hybridization and electrification playing a larger role over time. The further downsized next-generation technologies can be very synergistic within hybrid applications. Planning background.
At the 2016 International VDI Congress “Drivetrain for Vehicles” in Friedrichshafen, Germany, John Fuller, Director of Concepts & IP for Torotrak Group, presented and discussed the company’s latest advances to optimize its full-toroidal variator technology for the light vehicle market as applied in continuously variable transmissions (CVTs).
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. Transmissions.
The technical and macro-economic study, commissioned by the European Climate Foundation, focuses on light-duty vehicles. The findings will carry particular significance in light of concerns that rising costs of imported energy might act as a brake on Europe's future economic recovery. The project is taking a phased approach.
Additionally, suggested one of the speakers, advanced SIDI (spark-ignited, direct-injection) engines can take light-duty market share back from diesels in Europe based on the same trends. don’t think we expect to see a large market share of light duty diesel in the short term. SULEV/Tier 2 Bin 2 is the target. smog and particulates.
Multiple ways exist for introduction of methanol into the fuel infrastructure (light blends or heavy blends) and into vehicles (light duty or heavy duty applications). A full comparison between the different options has to be done, reflecting the present conditions. Performance of methanol FFVs—i.e.,
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. mpg US (5.87 L/100km) in model year 2021, and 49.6 L/100km) in model year 2025.
The output power is more than 100kW, despite significant unit downsizing. With its proprietary, small, light-weight FC Stack and two 70 MPa high-pressure hydrogen tanks placed beneath the specially designed body, the Toyota FCV Concept can accommodate up to four occupants. Toyota’s view of hydrogen.
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.
Continental will present an innovative close-coupled annular catalytic converter that supports near-complete NO x conversion in downsized turbocharged gasoline engines at the 37 th Vienna Motor Symposium next week. For downsized turbocharged gasoline engines, this presents two challenges.
When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical. Ricardo survey.
the Worldwide harmonized Light vehicles Test Procedures (WLTP). This means that in addition the power demand is more difficult to achieve with engine downsizing and transmission down-speeding alone. 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.
Although real-world fuel economy improvements from GDI technology alone are close to 1.5%, they can reach 8% by downsizing and turbocharging the engine, which can be achieved on GDI engines without loss of power compared to PFI engines. Finally, we analyze the potential climate effects of switching a PFI to a GDI fleet. —Saliba et al.
A higher compression ratio can be used if an engine will operate primarily at light loads, such that degraded efficiency at high loads is more than offset by improved efficiency at light loads. The compression ratio selected for a particular engine depends, the authors note, on the expected duty cycle and fuel octane.
On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fuel economy and greenhouse gas emissions for light duty vehicles: an average new car 34.1 Three of the NHTSA scenarios for penetration of technologies for light trucks for MY 2016. Data: Preliminary Regulatory Impact Analysis. Click to enlarge. Click to enlarge.
MaryAnn Wright, group vice president of Technology and Industry Relations, Johnson Controls Power Solutions, noted that automakers have made significant advances in fuel efficiency and reduced emissions through implementation of several new technologies, such as turbo charging, engine downsizing and light weighting across their fleets.
We present dynamometer test results and emission models from fully aged aftertreatment systems installed on heavy-duty on-road engines to offer several compliance paths that are technologically and economically achievable by model year (MY) 2024 without significant changes to today’s engines or aftertreatment.
Early versions of direct injection employed a stratified injection strategy which included late fuel injection and charge air motion to produce a stoichiometric air/fuel mixture in the vicinity of the spark plug and, thereby, avoid pumping losses from the need to throttle the engine at light load. Fuel injectors were side-mounted.
A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L Even for an aggressively downsized engine such as the 1.0-liter Is Cylinder Deactivation a Viable Option for a Downsized 3-Cylinder Engine?” The largest difference proved to be in cost.
“People downsize cars, not expectations. Customers are increasingly making decisions to downsize driven by lifestyle and fuel economy. We’ve learned that when customers downsize, they still want the amenities they’ve become used to in larger vehicles.” liter engine.
CAR did not assume any downsizing of the vehicle sales fleet or significant reduction in performance by vehicles in any segment as a means for increasing fuel economy standards by 2025. CAR then forecasts the US market for light vehicles, the US production of such vehicles and. use of stop/start technology. gallon US in 2009 dollars.
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 Earlier post , earlier post.). These were two main consideration in base engine design.
The initiative intends to accelerate the widespread deployment of significantly improved fuels and vehicles (passenger to light truck to heavy duty commercial vehicles) by 2030. High-research octane number (RON) fuels are known to enable more efficient, higher-performance SI operation via engine downsizing and boosting. Earlier post.)
If you want to tell electric from hybrid, the latter electrified combustion-powered ES features the slimmest air intake above the downsized trademark Lexus spindle grille. Far more striking than the car it replaces, the new ES picks up where the 2023 LF-ZC concept left off, with a sleek low-drag look and sportier fastback rear styling.
Downsized engines can use increased compression ratios and boost pressures to improve their volumetric efficiency, in order to achieve comparable performance to their larger counterparts. However, there is compelling evidence, through the consideration of the species present, that catalysed EGR can improve the knock limit at high load.
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. Third, the EA888 2.0TSI Gen.3
Under current European Union regulations, average new car CO 2 emissions must decrease from the present 120 grams per kilometer (g/km) to 95 g/km by 2021. Although no further reductions are presently mandated, new targets for 2025 and 2030 are under discussion in Brussels. Earlier post.).
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