This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
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.
So far, Ruth noted, the new engine has achieved target engine-out emissions (EOE), performance and fuel economy; aftertreatment catalyst performance has met or exceeded the targeted conversion rates, enabling an increased allowance on engine out HC. liter) and its emission control system (ECS) without a weight penalty. Earlier post.).
The new Advanced Elastoval II piston is lighter, delivers increased power outputs and can withstand the higher pressures that occur late in the combustion cycle of highly charged downsized 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. generation pistons.
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. pistons can retain their leading position in diesel engines for light vehicles for some time to. Click to enlarge. its strength.
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.
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.
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. Delphi 500+ bar GDi injector. —Walter Piock.
The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). With the extended lean operation of the sleeve-valve engine, NO x emissions remain low for light to medium loads and rise back to typical levels during the brief enrichment periods required to maintain competitive BMEP levels at higher loads.
Yesterday, the US Environmental Protection Agency (EPA) and the National High Traffic Safety Administration (NHTSA) jointly established increasingly stringent greenhouse gas emission standards under the Clean Air Act for 2012 through 2016 model-year vehicles and fuel economy standards under the Corporate Average Fuel Economy program, respectively.
The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).
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.
Top: Gravimetric PM mass, PM mass calculated based on the IPSD method, black carbon, and EC/OC emissions over the LA92 cycle. Bottom: Total particle-phase PAH emissions, expressed in ng/mile, for both test vehicles over the LA92 cycle. liter downsized turbocharged centrally-mounted direct injection engine. Yang et al.
Downsizing arrived in a big way at GM in 1977. In light of fuel prices, foreign competition that was smaller and more efficient, and a consumer base that was trending away from land yachts, GM downsized its full-size cars. Note: The teal Eldorado is a 1976, the light blue is a 1977.) It managed 180 horsepower.
PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. Homogeneous GDI provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. These efforts are yielding reductions in PM emissions, but this is still a work in progress.
In its sixth sales-weighted analysis of emissions from 8 major automakers’ 2013 model year vehicles, the Union of Concerned Scientists’ (UCS) latest Automaker Rankings report found that Hyundai-Kia unseated Honda as the “Greenest Automaker.” Click to enlarge. Source: UCS. Click to enlarge.
The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. miles per gallon in model year 2016, and 49.1 per year.
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. Additionally, with further-refined monitoring functions, the XL3 injector can reduce particulate emissions in GDI engines. Emissions Engines' —Gunnar Lowack.
In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. Emissions results are 20 ppm NO x at less than 2.3 At 2000 rpm and up to approximately 2.7
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.
In addition to GM’s carbon goals, the company worked with the Environmental Defense Fund to develop a shared vision of an all-electric future and an aspiration to eliminate tailpipe emissions from new light-duty vehicles by 2035. The use of GM’s products accounts for 75% of carbon emissions related to this commitment.
The current decline is ales of diesel light duty vehicle in Europe does not put EU CO 2 targets out of reach of automakers, according to a new analysis by the International Council on Clean Transportation (ICCT). For instance, hybrid electric vehicles and diesel cars in the small (e.g., Renault Clio) and lower medium (e.g.,
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.) Achates compression-ignition OP2S. Earlier post.).
In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of. It gives the next generation of downsized powertrains ‘big-engine’ response.
Delphi Automotive has developed a common rail fuel system technology for heavy-duty diesel engines that combines proven hardware with an innovative architecture, allowing vehicle manufacturers to meet Euro VI emissions standards without significant modification to their base engines. New high pressure heavy duty common rail systems.
The continued growth of turbocharging technologies will be driven by requirements for manufacturers to meet global environmental emissions regulations and bolstered by strong demand in emerging markets. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.
Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. Left: GDi 500+ injector. Right: GDi 500+ fuel pump.
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.
Develop and demonstrate technologies including engine downsizing, electrification of auxiliary systems such as oil and water pumps, waste heat recovery, improved aerodynamics and hybridization. Advanced Technology Powertrains for Light-Duty Vehicles (ATP-LD). 38,831,115. Daimler Trucks North America, LLC. 39,559,868. Navistar, Inc.
A new report from Frost & Sullivan, Implementation Roadmap of CO 2 Tax Banding in European Countries and Impact Analysis on Powertrain and Green Technology Adoption , finds that about 80% of the European vehicle sales is expected to be in the less than 150 g/km CO 2 emission band by 2015. g/km—in model year 2016. Earlier post.)
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. Some of the best passenger vehicles today, the ones called PZEVs, are pretty close to zero emissions. Comparison of Emission Standards (g/mi). .
reduction in fuel consumption achieved with XL Hybrids’ aftermarket hybrid electric powertrain ( earlier post ) on a light-duty cargo van on the UDDS cycle (urban conditions). The tests were conducted on ESWA’s light-duty chassis dynamometer test cell featuring a twin-roll Clayton dynamometer. We don’t touch the warranty. Both the 2.0
Below this GVW the technology has already been acquired by Valeo as a supercharger for cars and light commercial vehicle applications. Earlier post.) Cobra is particularly relevant to Tier 4 Interim legislation that comes into effect this year for off-road vehicles, according to the company.
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 ”.
Annual stop-start light duty vehicle sales by region, world markets: 2013-2022. By 2022, total global annual sales for light duty stop-start vehicles (SSVs) will exceed 55 million, accounting for 54.3% Source: Navigant. Click to enlarge. of total vehicle sales, according to a new report by Navigant Research. By then, 82.8%
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. et al. , “Steady-State Combustion Development of a Downsized Multi-Cylinder Engine with Range Extended HCCI/SACI Capability,” SAE Int.
To address this request, the NRC formed the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Spark-ignition (SI) engines will continue to be the primary source of propulsion for light-duty vehicles in the United States over the time frame of the report (next 15 years).
Engine downsizing through charge boosting is a well-recognized means of improving internal combustion engine fuel efficiency, by increasing the proportion of the drive cycle at which the powertrain operates within or close to the region of peak fuel efficiency of its operating map. 48V Diesel Fuel Efficiency'
” The more weight we can take out of our vehicles though use of alternative materials, and other lightweighting strategies that we have, that enables us to further downsize the engine—which is the biggest lever you can pull in the vehicle. Light weighting] is definitely not going to cost the same as vehicles today.
The HECS engine incorporates novel and conventional technologies to achieve low CO 2 emissions and a 17% reduction in fuel consumption, while also meeting Euro 6 emission standards without aftertreatment. This consequently results in substantially increased EGR rates, which permit a major reduction in untreated emissions.
The results showed that the concept results in large gains in fuel efficiency over a baseline, low compression ratio engine and significantly reduces the exhaust emissions from the other 3 cylinders. higher compression ratios); reduces emissions; and improves fuel consumption. Despite the benefits of EGR—e.g.,
Light duty vehicle fleet by type and average fuel efficiency. ExxonMobil expects that by 2040, hybrids and other advanced vehicles will account for nearly 50 percent of light duty vehicles on the road, compared to only about 1 percent today. Source: ExxonMobil Outlook. Click to enlarge. L/100 km) by 2040.
Bunker’s emphasis on the general ongoing importance of the internal combustion engine—along with the different technology pathways for improving their efficiency—were echoed by a number of DEER speakers, looking at light-duty as well as medium- and heavy-duty sectors. non-petroleum-based—for transportation.
Testing of the latest Nexcel active engine oil management system ( earlier post ) across three different engine types has a{demonstrated} the system’s potential to reduce CO 2 emissions by 2 g/km. Nexcel offers a solution for engine designers aiming to reduce CO 2 emissions in both hybrids and pure internal combustion vehicles.
On the emissions side, noted Cleeves, Pinnacle can run its engine efficiently enough at at a low enough temperature to avoid the need for a three-way catalyst to meet Euro 6. Right now, the emissions standard in the target market is Euro 4. We look in good shape to meet emissions requirements. —Monty Cleeves.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
230 
Let's personalize your content