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Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fueleconomy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.
Adjusted CO 2 emissions and adjusted fueleconomy, MY 1975-2011. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. Preliminary projections for MY 2012 are 374 g/mi CO 2 emissions and 23.8 Source: EPA. Click to enlarge.
Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fueleconomy estimates for city, highway, and combined driving for all U.S.-legal
Laboratory and in-use fueleconomy results Source: NREL. The NREL team collected and analyzed in-service fueleconomy, maintenance, and other vehicle performance data on 11 hybrid (P100H) and 11 conventional diesel (P100D) step vans operated by the United Parcel Service (UPS) in Minneapolis. Click to enlarge.
liter DOHC V6 engine mated to a next-generation Xtronic CVT (Continuously Variable Transmission) to help provide up to a 30% increase in combined city/highway fueleconomy over the previous V6-equipped model while maintaining comparable power. By comparison, the 2WD MY 2012 Pathfinder, equipped with a 6-cylinder, 4.0L
The new SuperTruck achieved a 54% increase in fueleconomy. and Peterbilt Motors Company, a division of PACCAR, released test results showing their demonstration SuperTruck tractor-trailer achieved a 54% increase in fueleconomy, averaging nearly 10 mpg US (23.5 Click to enlarge. Cummins Inc. Earlier post.)
BorgWarner’s Cam Torque Actuated (CTA) variable cam timing (VCT) technology ( earlier post ) with new mid-position lock system ( earlier post ) helps improve fueleconomy for the 2012 Subaru Impreza. According to Subaru, the 2012 Impreza offers 30% better fueleconomy compared with the previous model year.
Ford is boosting the on-road fueleconomy performance of its 2013 model year hybrid vehicles in the US and Canada. Starting in August, the company will make calibration updates for owners at dealerships designed to improve on-road fueleconomy of the 2013 Ford C-MAX Hybrid, 2013 Ford Fusion Hybrid and 2013 Lincoln MKZ Hybrid.
City and highway cycle fuel-economy ratings are 132 and 105 MPGe, respectively. The FIT EV’s fuel consumption rating is 29 kWh per 100 miles; EPA-rated annual fuel cost is $500.
GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L direction injection V6, achieving both better fueleconomy while reducing emissions. Reducing mass helps improve fueleconomy; the 2012 Camaro 2LS model is EPA-estimated at 30 mpg US (7.8
Prototype low-viscosity ionic liquid-additized engine oil demonstrated a 2% improved fueleconomy compared to Mobil 1 5W-30 engine oil (3.93% over the 20W-30 baseline oil) in standard fuel efficiency engine dynamometer tests. Fuel Efficiency Lubricating Oils' Jun Qu, Dinesh G. Bansal, Bo Yu, Jane Y. Blau, Bruce G.
Consumer Reports’ own fueleconomy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fueleconomy than the models with larger conventional engines, the organization said. l/100 km) figures—i.e.,
The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. The final model year (MY) 2012 adjusted, real world CO 2 emissions rate is 376 g/mi—a 22 g/mi decrease (-5.5%) relative to MY 2011. MY 2012 adjusted fueleconomy is 23.6 mpg, or 22%.
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. L/100km), if the vehicles were to meet this CO 2 level all through fueleconomy.
The latest edition of the US Environmental Protection Agency (EPA) annual Automotive Trends Report finds that Model Year (MY) 2017 vehicle fueleconomy was 24.9 Since MY 2004, fueleconomy and CO 2 emissions have improved in eleven out of thirteen years. Estimated Real-World CO 2 and FuelEconomy.
billion gallons of fuel—equivalent to the current total consumption of all vehicles in the US for about 13 days—due to their improved fueleconomy, according to a brief report by University of Michigan Transportation Research Institute (UMTRI) researchers Michael Sivak and Brandon Schoettle. earlier post.)
Hyundai Motor America and Kia Motors America have entered into settlement agreements with current and former owners and lessees of vehicles affected by the Hyundai/Kia November 2012 lowering of fueleconomy ratings. Earlier post.) 2424) in United States District Court for the Central District of California before Judge George H.
The Energy dCi 110 diesel offers fuel consumption of 3.5 Renault is introducing three new Energy engines ( earlier post ) in its Mégane Collection 2012: the new turbocharged, gasoline direct-injection Energy TCE 115 di; the Energy dCi 130; and the Energy dCi 110, with NEDC fuel consumption of 3.5 Click to enlarge. 16V engine.
Hyundai Motor America and Kia Motors America will reduce their fueleconomy (mpg) ratings for a number of 2011-13 model year models in showrooms after EPA testing found discrepancies between agency results and data submitted by the company. At its National Vehicle and Fuel Emission Laboratory (NVFEL) in Ann Arbor, Mich.,
The average fuel-economy (window-sticker) value of new vehicles sold in the US in September was 24.6 Despite this drop, vehicle fueleconomy is up 4.5 The average fueleconomy of model year 2013 vehicles (vehicles sold October 2012 through September 2013) was 24.7 mpg from model year 2012 vehicles.
The average fuel-economy (window-sticker) value of new vehicles sold. Overall, however, the monthly average fueleconomy for new vehicles is up 4.6 Sales-weighted adjusted average fueleconomy. The average fueleconomy of model year 2013 vehicles sold thus far. from model year 2012 vehicles.
Ford’s Michigan Assembly Plant is starting production of the 2012 Focus Electric ( earlier post )—a five-passenger, battery-electric car Ford expects will achieve more than a 100 miles per gallon equivalent (MPGe) fueleconomy rating. Optimized gear ratios enabling improvement in fueleconomy. Portland, Ore.;
In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fueleconomy comparisons. In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fueleconomy.
trillion) through to 2050 and can help cut the world’s road transport energy use and CO 2 emissions by nearly half in that same time, by improving vehicle fueleconomy, according to an opinion paper recently published by the Commonwealth Advisory Bureau (CAB) and sponsored by the Global FuelEconomy Initiative (GFEI).
The average fueleconomy (window-sticker value) of new vehicles sold in the US in December was 24.8 The average fueleconomy of all vehicles sold in calendar 2013 was 24.8 mpg from 2012 and up 3.9 l/100 km), down 0.2 The December figure represents an increase of 4.7 The December figure represents an increase of 4.7
The average fueleconomy (window-sticker value) of new vehicles sold in the US in December was 23.9 mpg (or 19%) from the value in October 2007 (the first month of monitoring); however, the fueleconomy in December was down 0.2 This is an increase of 3.8 This is an increase of 3.8 Source: UMTRI. Click to enlarge.
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.
Chrysler unveiled the 2013 Ram pickup, featuring an array of fuel-saving systems including a more fuel efficient and more powerful 3.6-liter Specific fueleconomy figures are note available yet.) The new V-6 features 42% more horsepower, 13% more torque and at least 20% better fueleconomy when compared to the previous 3.7-liter
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 gasoline fuel consumption.
After re-labeling the 2013 C-MAX Hybrid with lower fueleconomy, Ford is upgrading the 2014 C-MAX to increase fueleconomy. Ford has opted voluntarily to relabel the 2013 C-MAX Hybrid with revised fueleconomy labels following EPA testing of the 2013 C-Max Hybrid. 2014 mpg is not yet announced. Earlier post.)
report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement.
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 gasoline fuel at low load without EGR, medium load with EGR, and high speed low load with EGR.
The three-row SUV is equipped with an eight-speed automatic transmission that improves fueleconomy up to 9% (for the V-6 model) as well as a range of other enhancements. EPA fueleconomy estimates are not yet available. The 2014 Dodge Durango features a new Eco Mode that contributes to its improved fueleconomy.
announced that test fleet users achieved an average 5% fueleconomy improvement with the Allison TC10 tractor transmission over their current manual and automated manual transmissions. Allison Transmission Holdings Inc. It is fully automatic and offers smooth, seamless shifting through the 10 gear ranges.
Vehicle owners have a high interest in technology related to fueleconomy, device/application linking for smartphones, wireless connectivity, natural language voice activation and a variety of infotainment features for their next vehicle, according to the new J.D. Fueleconomy indicator (at $50). Fueleconomy indicator.
The 2013 Honda CR-Z goes on sale 21 November with a number of powertrain, styling and feature upgrades, including a new Li-ion battery pack that replaces the NiMH pack in the MY 2012 CR-Z hybrid and delivers more power and improved fueleconomy. The MY 2012 CR-Z hybrid used a 100V NiMH pack.)
Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). Engines Fuel Efficiency Vehicle Systems'
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%. Assanis (2012) Thermodynamic sweet spot for high-efficiency, dilute, boosted gasoline engines.
The world’s consumption of gasoline, diesel fuel, jet fuel, heating oil, and other petroleum products reached a record high of 88.9 Between 2008 and 2012, Asia’s consumption increased by 4.4 The rapidly industrializing economies of China and India fueled much of Asia’s demand increase, growing 2.8 million bbl/d.
Ricardo’s forthcoming IGNITE product is a physics-based system simulation package—operating in Modelica—that focuses on complete vehicle performance and fueleconomy. Fuel Efficiency Manufacturing Simulation' —David Higbie, global director of Ricardo Software.
The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline. 2012) Indicated Cycle Efficiency Improvements of a 4-Stroke, High Compression Ratio, S.I., SAE Paper 2012-01-0378 ([link]. Source: Pinnacle.
Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fueleconomy compared to operating an engine with fixed compression ratio.
Crazy Diamond Performance (CDP) has developed a mono-fuel CNG Chevrolet Cruze, with intended market introduction no later than October 2014. 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 Fern said that the 1.8L-equipped
Two separate reports highlight the ongoing improvement in vehicle technologies and the growing trend toward consumers purchasing more fuel efficient vehicles in the US and in Europe. Those who say fueleconomy is very important expect to get twelve miles more per gallon (mpg) from their next vehicle than those who say it is not important.
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