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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fueleconomy (CAFE) target of 26 mpg (9.05 Earlier post.). l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fueleconomy 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 improvements.
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. improvement in fueleconomy over the baseline engine for the Metro-Highway (M-H) cycle.
An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fueleconomy benefits of up to 42.6% Fueleconomy. —FEV analysis.
The Advanced Elastoval II piston enters series production later this year in a new European passenger car, where it contributes to gains in fueleconomy and reductions in CO 2. 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.
Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fueleconomy across both NEDC and FTP drive cycles, with a 13% improvement in fueleconomy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. Click to enlarge. liter) GM engine.
unveiled the first generation of its new, proprietary enhanced spark-ignited (ESI) natural gas system. Using 100% dedicated natural gas as fuel, Westport’s new technology optimizes the combustion and thermal efficiencies of the engine by taking advantages of the positive properties of natural gas. mono-fuelgas engine.
Two-thirds of owners surveyed said they expect their next vehicle to get better fuel mileage than the one they’re driving now, and fueleconomy topped the list as the most important consideration when shopping for their next car, followed by quality and safety.
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 fueleconomy contribution of critical technologies. Earlier post.). Electric TiVCT system.
The project aims to deliver full hybrid equivalent fueleconomy 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 fueleconomy and CO 2 emissions approaching those of a Prius.
Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. Their paper is published in the journal Fuel. 2017.11.006.
The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., The downsizing trend also has an impact on owner satisfaction with the fueleconomy of their new vehicle. purchased a new vehicle in a smaller segment than the vehicle they replaced. Power and Associates.
While oil will remain the most widely used fuel, overall energy demand will be reshaped by a continued shift toward less-carbon-intensive energy source as well as steep improvements in energy efficiency in areas such as transportation, where the expanded use of advanced and hybrid vehicles will help push average new-car fueleconomy to 48 mpg (4.9
Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fueleconomy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.
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. turbocharged direct injected inline 4 (based on the GM Ecotec 2.0L
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 fueleconomy standards, which will have widespread implications for future gasoline markets, according to EIA analysts. of the LDV market by 2025.
liter gasoline engines combine turbocharging and fuel injection technology to deliver greater fueleconomy. Ford expects up to 90% of its nameplates sold in North America will be available with downsized direct-injected turbocharged engines by 2013. The direct-injected 1.6-liter liter and 2.0-liter BorgWarner turbo.
The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fueleconomy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. Exhaust gas exergy map of EcoCAR engine.
The ten engines (77 kW / 105 PS through 220 kW / 300 PS) of the new lineup are up to 18% more fuel efficient than their predecessors. Downsizing and technologies such as the Stop/Start system contribute to improved fuel efficiency in the gasoline-powered versions. L/100 km (56 mpg US), equivalent to 109 g/km CO 2.
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. Up to 15 kg of gas can be stored in the tank at 200 bar pressure. Both engines—1.0-liter liter and 1.4-liter
As a result, as the ethanol content of the fuel is increased, the fueleconomy and driving range for a given fuel tank size are reduced. Downsizing/downspeeding. Volumetric fueleconomy. Evaluating fueleconomy and CO 2 emissions of E10, E20 and E30 in an EcoBoost engine.
Small displacement engines offer excellent CO 2 and fueleconomy benefits; they have lower parasitic losses and operate more efficiently under part load conditions. Small engines can also be turbocharged to deliver comparable torque and power to a larger naturally aspirated engine. liters capacity.
A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends. Source: ICCT. Click to enlarge.
Ford says the engine can deliver up to 15% better fueleconomy than comparable six-cylinder engines. The all-new 2015 Lincoln MKC small premium utility, unveiled last week, offers an all-new engine—a 2.3-liter liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit.
Many buyers of new Ford cars--both its 2013 C-Max and Fusion hybrids, and those fitted with its EcoBoost line of downsized, turbocharged engines--report real-world gas mileage much lower than the cars'' EPA ratings.
While fueleconomy of engined-cars is the key technology pathway to decarbonizing the transport sector by 2020, the 2DS also envisages 20 million EVs on the road by 2020, with yearly sales reaching seven million vehicles. Engine downsizing and weight reduction represent around 30% of that potential collectively. billion to US$4.2
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. Turbocharging and downsizing can also yield fuel consumption reductions.
together with the Gas Technology Institute (GTI), has been awarded US$900,000 towards a program to advance state-of-the-art natural gas combustion technology. The technology enables a “downsized” natural gas solution that is cost-competitive while providing similar levels of power, torque, and fueleconomy to a larger diesel engine.
Decreasing an engine''s displacement is one of the most straightforward ways to increase fuel efficiency. According to research firm Emissions Analytics, the high fuel-economy ratings of downsized engines may not always translate to the real world. MORE: Do Small Turbo Engines Really Give Better Gas Mileage?
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 fueleconomy standards under the Corporate Average FuelEconomy program, respectively.
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. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi injector. —Walter Piock.
Based on a Ford Focus, this ADEPT prototype incorporates a 48V electrical architecture, a SpeedStart 10kW (later to be upgraded to 12.5kW) belt integrated starter generator and TIGERS turbine integrated exhaust gas energy recovery system, both switched reluctance machines supplied by CPT, and an advanced lead carbon battery pack provided by EALABC.
The shape and form of road transportation alternative fuels markets vary greatly by region, largely influenced by government regulations, local resources, infrastructure, and fuel prices. Fuel efficiency improvements are relatively easily integrated into mass-market vehicles.
Reductions in fuel consumption and CO 2 from base 2.0-liter liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. In combination with the VTES electric supercharger, this will create a cost effective micro/mild hybrid system which, when applied to a downsized 1.4-liter Click to enlarge.
The newly developed EGR (exhaust gas recirculation) cooler is 30% smaller than the smallest one currently available on the market, while offering equal performance. DENSO plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. DENSO EGR cooler. Click to enlarge.
To achieve its goals of lower emissions and better fueleconomy, FPT significantly downsized the 0.9-liter Dedicated tensioner tuning, an optimized layout and an enhanced design minimize friction to help improve fueleconomy and reduce emissions. liter TwinAir engine compared with its 1.2-liter
Eaton is supplying a number of leading-edge technologies that improve fueleconomy and reduce emissions to Original Equipment Manufacturer (OEM) teams. Since 2008, Eaton’s Vehicle Group has been laser-focused on reducing emissions and fuel consumption.
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.). Fabien Redon.
” Bunker spent the bulk of his presentation describing the new medium- and heavy-duty fueleconomy and greenhouse gas regulations from EPA and the Department of Transportation. The future that we point to [is] very conventional-looking engines.” Earlier post.)
Ford’s EcoBoost technology combines direct fuel injection, turbocharging and variable valve timing to enable a downsized engine to gain fueleconomy by up to 20% over larger engines with no loss of performance. Unlike airbags which generate heat when deploying, Ford’s inflatable rear seatbelt uses cold compressed gas.
For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Methodology.
Fiat expects that Multiair, with direct control of the air through the intake engine valves without using the throttle, can help reduce fuel consumption by up to 10% for turbocharged or naturally aspirated gasoline engines. A specific turbocharged engine version will be bi-fuel (gasoline-CNG).
Gasoline direct-injection (GDI) engines have higher fueleconomy compared to the more widely used port fuel injection (PFI) engines. Measurements include gas- and particle-phase emissions, particle number, particle size distributions, and speciated NMOG emissions. For our fleet, increases in the fueleconomy of 1.6% (0.5−2.4%;
Estimated price increases are based on current economic conditions and the concept of “incremental retail price equivalent (RPE) cost,” which represents the average additional price consumers would pay for a fueleconomy technology. For example, the report notes the promise of cylinder deactivation, turbocharging and downsizing.
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