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
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 Click to enlarge. liter TSI gasoline engine and the 1.6-liter liter TDI diesel. Earlier post.).
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.).
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
With the recently concluded nuclear deal between Iran and the P5+1 countries, oil prices have already started heading downward on sentiments that Iran’s crude oil supply would further contribute to the already rising global supply glut. oil sector is likely to witness a lot more layoffs than we have seen so far?
” 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.)
The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. The sleeve valves have a short heat rejection path directly to lube oil. During the valve open event, all but the top few millimeters are drawn past a lip seal into oil. There is no ISFC improvement at high load.
Per the regulations, the Mercedes team downsized their internal combustion engine (ICE) to a 1.6 The new Hybrid Energy Recovery System (ERS), which incorporates electric motors capable of recovering both kinetic and waste heat energy, presented a ten-fold greater challenge than its predecessor, KERS, introduced by Mercedes-Benz in 2009.
The Freightliner SuperTruck uses a downsized and downsped 10.7-liter Friction-reducing measures include a variable speed water pump, a clutched air compressor, low-viscosity oil and an improved cylinder kit. —Derek Rotz, principal investigator for SuperTruck, Daimler Trucks North America. DTNA SuperTruck technology elements.
downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. seconds, and is independent from oil temperature and the corresponding operating point. Working principle of FEV’s two-stage VCR system.
presented a pair of papers at the SAE 2009 World Congress describing the development of a variable compression ratio (VCR) engine enabled by a dual piston mechanism. Mpa (8 bar) and the oil flow rate is 3L/min. For the study, Honda installed a small pump separate from that of engine lubricating oil pump. Kadota et al.
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.
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. Integrated variable displacement oil pump / balance shaft module. Earlier post.). The approach. Compact RFF valvetrain w/ 12 mm HLA.
By shortening the bore pitch compared to the present engine models and reducing the thickness of the cylinder block and camshaft, engine weight is reduced by 15% and fuel efficiency is improved by 10%. By downsizing from the present 2.2L By downsizing from the present 2.2L class engine. Diesel engine.
This first report (Phase I) examines only the impact of improving the efficiency of fossil-fueled vehicles, in which efficiency gains are delivered by the improvement of the internal combustion engine vehicle, including lightweighting, engine downsizing and hybridization.
Current mild-hybrid vehicle projects, in partnership with Ford and Hyundai/Kia, that utilize advanced 48V lead-carbon batteries, can reduce CO 2 emissions by 15-20%, according to the latest data from the Advanced Lead Acid Battery Consortium (ALABC), presented at the Advanced Automotive Battery Conference (25-28 January, Mainz).
Methanol first surfaced as a potentially interesting transportation fuel in the wake of the oil crisis in 1973. Researchers at the US EPA investigating this approach concluded that the M85 and E85 engines could provide efficiencies comparable or higher than the diesel, in dedicated fuel, high compression ratio turbo charged/downsized engines.
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. They will not provide for oil substitution, as required in the longer term.
Knock and fuel octane rating are becoming increasingly important due to many powertrain design trends including downsizing, downspeeding, cylinder deactivation, and hybridization. … To achieve continued improvement in engine efficiency and CO 2 emissions, it is critical to quantify the roles of fuel octane rating and alcohol content.
The other driver for SSV technology is consumer demand—present in Europe and some Asia Pacific countries for some time thanks to high fuel prices. This also offers opportunities for other engine efficiencies such as electric boost. —“ Start-Stop Vehicles ”.
“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.
In recent years two methods, namely downsizing and downspeeding, were established on the market to reduce CO 2 emissions while maintaining the driving performance of engines with identical effective power but a larger displacement.
George Anitescu from Syracuse presented the work in a poster at the DEER 2009 conference in Dearbon, Michigan. Transonic has successfully run on gasoline, diesel, biodiesel, heptane, ethanol, and vegetable oil in dynamometer testing. Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine.
The report presents 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 achievable by model year 2024 without significant changes to today’s engines or aftertreatment systems. The cost of controlling NO x to 0.05 Credit: MECA.
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.
At the North American International Auto Show (NAIAS) in Detroit, ZF is presenting its broad technology portfolio including the second generation of the 8HP 8-speed transmission. Another positive effect is that the oil pump belonging to the ZF automatic transmission works with a system pressure that has been reduced from 5 to 3.5
The resulting higher BMEP levels allow downsizing of the engine at equivalent vehicle performance. Furthermore, by enabling higher CR, downsizing and downspeeding, E85 DI + gasoline PFI makes the engine more efficient in itsusee of gasoline. Earlier post.) Bromberg, J.B.
The two agencies are continuing with their analysis, and will incorporate the upcoming National Academies update of the 2002 NAS Report, which presents technology effectiveness estimates. Low-friction lubricants: low viscosity and advanced low friction lubricants oils are now available with improved performance and better lubrication.
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.
An eco-driving guidance system is present to encourage super-efficient motoring. The new, downsized 1.0-liter Elements such as the arch-like roofline, streamlined front, the boat-tail shape and kick-up lines contribute to an aerodynamic drag coefficient of 0.25 liter Kappa gasoline and 1.7-liter
The national policy on fuel economy standards and greenhouse gas emissions created by DOT and EPA provides regulatory certainty and flexibility that reduces the cost of compliance for auto manufacturers while reducing oil consumption and harmful air pollution. features in developing the standards. NHTSA and CAFE. Off-Cycle Credits.
A series of presentations at the SAE 2009 Hybrid Vehicle Technology Symposium held in San Diego (11-12 February) sketched a mixed outlook for mainstream consumer—i.e., Source: Ken Kurani. Click to enlarge. or below; advanced accessories; and a mild hybrid drivetrain. times as much.
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
Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. Minimize smoke emissions and fuel liner impingement for low oil dilution, to ensure engine durability. port fuel injected (PFI) V8 engine. Earlier post.).
On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. Friction-optimized bearings and new transmission oil thermal management also help reduce fuel consumption. BlueTEC diesel units. In the ML 250 BlueTEC 4MATIC, the 3.0-liter
Opel presented details of its new three-cylinder 1.0-liter liter class which are engineered to meet customer demand for strong, downsized engine performance. Other specific features that contribute to the engine’s refinement include: A small balance-shaft mounted longitudinally in the oil sump. Click to enlarge.
At present, PHEV technology alone is equipped to improve the current electric grid. The combination of harvesting whole forests and burning long-sequestered carbon sources such as coal or oil has impaired the Earth’s carbon cycle at an increasing pace. So the PHEV can simply use a small amount of this needed liquid fuel in the future.
This is from "Commercializing Plug-In Hybrids" (pdf), the current CalCars 24-slide presentation about PHEVs available along with other documents at CalCars Downloads. Agrees on environmental and economic benefits, though some presentations backtrack on that; says batteries need further development before commitment to mass-production.
Both feature all-electric drive and are presently destined for the European market. Another part of this year’s show presentation was devoted to exhaust-gas recirculation on gasoline engines. Conventional efficiency. This valve is already in series production in the US.
Mazda engineers are presenting a series of papers on SKYACTIV technologies at the upcoming 2011 JSAE/SAE International Powertrains, Fuels & Lubricants meeting in Kyoto at the end of August. Extreme compression ratio rather than downsizing. Although downsizing—i.e., SKYACTIV at Powertrains, Fuels & Lubes.
When crude oil comes into a refinery, it is first passed into a distillation process, which separates the crude oil into its different fractions by boiling range. When crude oil comes into a refinery, it is first passed into a distillation process, which separates the crude oil into its different fractions by boiling range.
The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Engine downsizing is a key tool in improving fuel economy. Oil feed to the main bearings transits through the bearing cap fastener sockets. Earlier post.).
Locations often did not have enough charging stations present to ensure the vehicles would be ready for the following day — enraging the limited number of renters who actually wanted an EV. oil changes) ended up costing more because the repairs were so much more costly and common. Hertz started aggressively downsizing in 2024.
Use this information at your own risk: There is no warranty expressed nor implied and we are not liable for any of your past, present, nor future actions.Even should you perform these modifications to the letter you could still damage any number of components in your vehicle causing it to no longer function.
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.
Let's personalize your content