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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 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.
In the US Energy Information Administration’s Annual Energy Outlook 2014 (AEO2014) Reference case, more-stringent vehicle fueleconomy standards contribute to a decline in motor gasoline consumption through 2040. The Reference case projects an increase in VMT that, all else equal, would increase motor gasolinefuel consumption.
Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasolineinternal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)
Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fueleconomy gains between 23% and 58%. Their paper is published in the International Journal of Engine Research. —Lavoie et al.
Engineers at Transonic Combustion, a start-up developing a fuel efficient supercritical (SC) fuel injection and combustion system—Transonic Combustion, or TSCi ( earlier post )—have demonstrated the TSCi process using gasolinefuel at low load without EGR, medium load with EGR, and high speed low load with EGR.
Researchers at Jilin University (China) have investigated the effect of gasoline components on fueleconomy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine.
Daimler will introduce the Mercedes-Benz E 400 HYBRID—equipped with a V6 gasoline engine—into in the US market, and later in other countries such as Japan and China. The omission of the converter allows all-electric motoring as well as sailing, thus significantly boosting the potential to reduce fuel consumption.
Nissan introduced the 2014 Pathfinder Hybrid at the New York International Auto Show. Fueleconomy is estimated at 26 mpg (9.0 Fueleconomy is estimated at 26 mpg (9.0 Estimated city fueleconomy is 25 mpg (9.4 liter gasoline engine and an electric motor paired with a compact Li-ion battery.
Automotive News reports that Mazda plans a second generation of SkyActiv engines around 2020 that would achieve 30% better fueleconomy than the current line of Skyactiv engines. The focus will be on lean burning, and increased compression ratios for the gasoline engines. Earlier post.).
EPA released the latest edition of its annual report on trends in CO 2 emissions, fueleconomy and powertrain technology for new personal vehicles in the US. Fueleconomy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.
liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fueleconomy is a must due to the climate change and energy issues. 1 and internal EGR.)
A new study by a team at the National Renewable Energy Laboratory (NREL) concludes that a high-pressure, scalable, intra-city hydrogen pipeline system could improve the economics and logistics of hydrogen delivery, making it potentially cost-competitive with gasoline. kg—approximately equivalent to a gasoline cost of $2.7/gal
At the 2012 North American International Auto Show in Detroit, Volvo Car Corporation will unveil the Volvo XC60 gasoline-electric Plug-in Hybrid Concept. To make the plug-in technology viable for buyers in the US and China, Volvo notes , it needs to feature a gasoline engine. XC60 Plug-in Hybrid Concept. 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 Very low fuel consumption, NO x , and PM emissions were measured. CNL (combustion noise).
The first result of this agreement is the demonstration vehicle that will be shown at the 2018 North American International Auto Show (NAIAS): a light-duty truck with an Opposed-Piston Gasoline Compression Ignition (OPGCI) Engine. The Achates Power OP Engine has the potential to revolutionize the internal combustion engine.
BMW will introduce the Concept Active Tourer plug-in hybrid ( earlier post ) for the first time in North America at the 2013 New York International Auto Show on 27 March. liter 3-cylinder gasoline engine coupled with an electric motor which allows for nearly 95 mpg (2.48 seconds while getting fueleconomy that could exceed 40 mpg (5.9
Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fueleconomy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)
As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.
improvement in city fueleconomy (24.5 D-EGR is a SwRI-developed gasoline engine concept that uses in-cylinder fuel reforming to produce CO and H 2 (with Research Octane Numbers of 106 and 130, respectively) and high levels of recirculated gas (EGR) to achieve very high levels of thermal efficiency. mpg) and a 9.2%
The study considers five different powertrains (internal combustion engine, hybrid-electric, plug-in hybrid-electric, fuel-cell-electric, and battery-electric) and 12 cost components (purchase cost, depreciation, financing, fuel, insurance, maintenance, repair, taxes, registration fees, tolls and parking, payload capacity and labor).
For MY 2012 in the US, FCA was compliant with fueleconomy requirements, but had negative credit generation due to model mix. FCA also plans to consolidate its small gasoline engine lineup with a new family to be launched in 2015. Much more progress will come as gasoline and diesel engine technologies converge.
In a policy update, the International Council on Clean Transportation (ICCT) reports that Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and Ministry of Economy, Trade, and Industry (METI) have finalized new proposed fueleconomy standards for light- and medium-duty commercial vehicles with gross vehicle weights less than 3.5
Opel will introduce the first in an all-new modular family of small-displacement three- and four-cylinder gasoline direct injection engines at the upcoming Frankfurt International Motor Show next month. Matthias Alt, Opel’s Chief Engineer, Small Gasoline Engines. Engines Fuel Efficiency' Click to enlarge.
The valve control technology regulates the duration of valve opening and closing according to driving conditions, achieving a 4% boost in performance and a 5% improvement in fuel efficiency. T-GDi Engine, a four-cylinder gasoline turbo unit with 180 horsepower and 27.0 The technology cuts emissions by 12%. Smartstream G1.6
The industry has long recognized that increasing injection pressure to 500+ bar could substantially cut engine-out particulates while improving CO2 emissions and fueleconomy. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi injector. —Walter Piock.
HEDGE-III will investigate solutions to the primary barriers to high efficiency in gasoline engines. Southwest Research Institute (SwRI) has launched its third cooperative research program aimed at developing a high-efficiency gasoline engine for the light-duty automotive and medium-duty engine markets. Source: SwRI. Click to enlarge.
As she outlined it: eAssist provides a average 25% fueleconomy improvement over a traditional internal combustion engine vehicle. GM estimates it will save a driver of a larger car about $1,850 a year in fuel. The technology is targeted for individuals who want a large sedan with compact car fueleconomy, Fletcher said.
Toyota introduced the next-generation three-row 2020 Highlander SUV at the New York International Auto Show. Arriving in Toyota dealerships in winter, the Highlander gasoline model will arrive in December 2019 and the Highlander Hybrid will make its way to customers in February 2020.
The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. The demonstration vehicle, provided by Nissan North America, is a 2010 Nissan Titan originally equipped with a gasoline V8 engine. Test cycle fueleconomy (mpg).
Drive cycle fueleconomy for PFI, CDC, and multi-mode RCCI operation. Their paper is published in the International Journal of Engine Research. During RCCI-only operation, fuel usage was found to be between 57 and 69% gasoline. Credit: Curran et al. Click to enlarge. —Curran et al.
The work at UCL’s Department of Mechanical Engineering will be dedicated to spark ignition in gasoline engines, led by Dr. Pavlos Aleiferis. We are on a very positive trajectory to reduce vehicle emissions and improve fueleconomy. Earlier post.).
Mercedes-Benz previewed the new 2015 GLA-Class compact SUV prior to its global debut at the International Motor Show (IAA) in Frankfurt next month. liter gasoline engines will extend from 115 kW (156 hp) in the GLA 200 to 155 kW (211 hp) in the GLA 250. seconds, with a top speed of 235 km/h and a combined fuel consumption figure of 7.1
Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. Reduced internal friction. Top speed is up 7 mph (11 km/h), and fueleconomy is also improved by up to 1.5 PureTech 3-cylinder engine. l/100km (52.3
Aerodynamic improvements, weight savings and engine enhancements have reduced fuel consumption and CO 2 emissions across the range. Toyota anticipates a 1/3 full hybrid, 1/3 gasoline, 1/3 diesel engine mix. This has been achieved within the new Auris gasoline engine range through the use of high, 11.5:1 Powertrains.
Naphtha refers to the light fraction produced by distillation that is roughly in the gasoline boiling range of ~30 °C to ~200 °C. Naphta is characterized as light or heavy depending upon its distillation cut, and is used as a feedstock of high-octane gasoline. impact compared to diesel or gasoline. —Chang et al.
Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. Alternatively, in the second study, gasoline–alcohol DFSI is based on PFI of gasoline and DI of alcohols.). —Liu et al.
Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. Improvements contributing to this better fueleconomy come from many areas. This is the first implementation of such a system in a turbocharged direct-injection four-cylinder gasoline engine, noted Lemke.
First, Honda will further develop its lightweight and compact one-motor hybrid system (IMA) with the aim of achieving leading fueleconomy among all hybrid vehicles. liter 4-cylinder Atkinson-cycle gasoline engine producing 137 hp (102 kW) at 6200 rpm, teamed with a 124 kW electric motor. Electric driving is supported by a 6.7
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
Hyundai introduced the Hybrid version of the seventh-generation Sonata at the North American International Auto Show in Detroit. Hyundai expects the 2016 Sonata Hybrid to improve fueleconomy more than 10%. The 2016 Sonata Hybrid features a downsized 2.0-liter
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
The CDP CNG Cruze will certified to the cleanest emissions standard available for an internal combustion engine, according to CDP President Kevin Fern. equipped CNG Cruze outputs 20 hp and 24 ft-lbs torque over its competitor, while maintaining nearly the same fueleconomy. Fern said that the 1.8L-equipped Earlier post.).
UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fueleconomy as part of the company’s broader Rolling Laboratory approach. The smaller engine will improve fueleconomy, however. liter internal combustion engine (ICE) served as the genset engine.
liter in-line four-cylinder Skyactiv-G gasoline engine with a 100 kW electric motor and a 355V, 17.8 liter e-Skyactiv X gasoline engine, both featuring Mazda’s 48V mild hybrid system. liter e-Skyactiv X gasoline engine, both featuring Mazda’s 48V mild hybrid system. kWh battery pack. liter e-Skyactiv D diesel unit and a 3.0
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