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vehicle fueleconomy. Specifically, this study examines actual fueleconomy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Calculated vehicle fueleconomy is available going back to 1923. In comparison, the change between 2008 and 2019 (from 4.59
vehicle fueleconomy. Specifically, this study examines actual fueleconomy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fueleconomy is available going back to 1923. In comparison, the change between 2008 and 2017 (from 4.59
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 legal light-duty vehicles from 1984 to present. Speed increase.
Comparison of ISFC (@42.9 The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. Source: Pinnacle.
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 fueleconomycomparisons. In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fueleconomy.
The Global FuelEconomy Initiative ( GFEI ) ( earlier post ) launched its second three-year effort to improve vehicle fueleconomy around the world at the International Transport Forum in Leipzig. —“Global FuelEconomy Initiative Plan of Action 2012-2015. Earlier post.). Policy support.
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
Porsche is consistently targeting improving fueleconomy with each model change. Depending on the model, the savings achieved by all currently available model series in comparison with the corresponding predecessors lie in the double-digit percentage range while simultaneously offering significantly increased performance.
MY 2012 adjusted fueleconomy is 23.6 mpg fueleconomy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fueleconomy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%. Click to enlarge.
Approximately 6 billion gallons of fuel are wasted in the US each year as vehicles wait at stop lights or sit in dense traffic with engines idling, according to US Department of Energy estimates. That was a bit of an effort, too, but that’s what it’s all about. —Thomas Karnowski.
EU-funded scientists developed a novel 320 kW (429 hp) diesel engine for light helicopters as an alternative to conventional turboshaft engines. The technology demonstrated substantial reductions in fuel consumption and emissions. The engine weight is the crux of the project.
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The first testing phase of Lotus Engineering’s Omnivore variable compression ratio, flex-fuel direct injection two-stroke engine ( earlier post ) has been successfully completed on gasoline. Click to enlarge.
Rolf Reitz of the University of Wisconsin found that reactivity controlled compression ignition (RCCI) ( earlier post ) in a light-duty engine can meet Tier 2 Bin 5 NO x levels without aftertreatment, while offering a 4% improvement in fuel consumption and 7.3% —Kokjohn and Reitz. Sage L Kokjohn and Rolf D.
Improved battery chemistry also helps improve the overall fueleconomy of the 2017 e-Golf. For city driving, the EPA estimated fueleconomy is 126 MPGe; highway driving is rated at 111 MPGe; and combined city/ highway at 119 MPGe, improved over the 2016 EPA estimates of 126, 105 and 116, respectively.
We use vehicles modeled in Autonomie to estimate vehicle costs and fueleconomy along with fuel price projections from the Energy Information Administration (EIA), and focus on developing internally consistent estimates for other relevant cost parameters. LCOD across powertrains for light-duty SUV, MY2025.
The slowing of vehicle turnover has implications for transportation fuel consumption, because newer vehicles tend to have better fueleconomies. The aging of US household vehicles was reported across all light-duty vehicle types, in particular for pickup trucks, vans, and sport utility vehicles. years in 2009 to 10.3
Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fueleconomy improvement (26.1
The 2015 CR-V features increased EPA fueleconomy ratings of 27/34/29 mpg (8.7/6.9/8.1 By comparison, a conventional automatic is slower to respond and loses time making multiple downshifts. Driver Assistance Systems Engines Fuel Efficiency Transmissions' an increase in the combined rating of 11.5%
The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fueleconomy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fueleconomy of about 4.1%
Comparison of 2015-2020 new vehicle potential fuel-saving technologies for seven vehicle types: tractor trailer (TT), Class 3-6 box (box), Class 3-6 bucket (bucket), Class 8 refuse (refuse), transit bus (bus), motor coach (coach), and Class 2b pickups and vans (2b). This is called load-specific fuel consumption (LSFC).
The study — Total Cost of Ownership: A Gas Versus Diesel Comparison —was conducted for Robert Bosch LLC; the results were released at the 2013 Alternative Clean Transportation Expo in Washington DC. Highlights from the diesel-gasoline comparisons include: Total Cost of Ownership. —“Total Cost of Ownership”.
The estimate reflects an average of fueleconomy in both the default “Tour” mode, which delivers 28 mpg highway, and driver-selectable “Eco” mode, which delivers 30 mpg highway. Fueleconomy estimates for Corvette Stingrays equipped with the six-speed automatic will be finalized soon.
Do they receive HOV access for their improved fueleconomy and ultra low emissions? In fact in 6 of the states, diesel fuel is penalized with additional state taxes. So diesel fuel gets taxed twice or penalized twice at the federal and state level. This helps us to make better fueleconomy and good emissions.
Average monthly and model year fleet-wide achieved CAFE performance levels (light purple) versus NHTSA projected achieved CAFE levels (blue) for model years 2008 through 2016. Sivak and Schoettle compared the recent improvements in fueleconomy with the projected CAFE performance levels anticipated by NHTSA. Fuel Efficiency'
Measured fueleconomy improvements cannot factor in a hybrid system. Area 2: Advanced Technology Powertrains for Light-Duty Vehicles. The improvement is based on comparison to a baseline state-of-the-art port fuel-injected gasoline vehicle maintaining comparable vehicle performance. Click to enlarge.
Start-up Bright Automotive, which in May unveiled its IDEA concept series plug-in hybrid light commercial van ( earlier post ), will convert VW Transporter vans with the series hybrid Bright powertrain as a bridge between the concept and the production version of the IDEA. Fueleconomy, 50-mile cycle. A VW Transporter van.
liter SIDI intelligent direct injection engine along with advanced eAssist intelligent technology (light electrification, earlier post ), which work together to reduce fuel consumption by 20% compared with the standard model. By comparison, GM delivered 35,298 units of the LaCrosse in the US from January through the end of July 2011.).
will sound a little poor in comparison. But that''s the average economy of all cars, light trucks, minivans and SUVs purchased in the U.S. If you''re used to driving around in a Prius then average miles per gallon of 24.6 in March--and it''s an all-time high.
While more fuel efficient cars and trucks are increasing fueleconomy—and in light of some of the recently improved economic statistics—consumers remain cautious in their spending as the economy continues toward an uncertain recovery. A month-to-month comparison shows that gasoline consumption rose 3.5%
This increase was largely driven by an increase in emissions from fossil fuel combustion, which was a result of multiple factors, including more electricity use greater due to greater heating and cooling needs due to a colder winter and hotter summer in 2018 in comparison to 2017. Source: EPA. >.
Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council.
The company’s engineers have a prototype system running in a B-segment donor vehicle on a dynamometer and are calibrating the control strategy to prove its driveability, performance, CO 2 and fueleconomy benefits. At the same time, Torotrak will gather data on the system’s efficiency to validate fueleconomy simulations.
Gasoline direct-injection (GDI) engines have higher fueleconomy compared to the more widely used port fuel injection (PFI) engines. For our fleet, increases in the fueleconomy of 1.6% (0.5−2.4%; increase in fueleconomy between PFIs and GDIs. engine calibration (spark timing, valve timing, etc.),
Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. FEV performed engine mappings in a dynamometer test cell to evaluate the fueleconomy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. Click to enlarge.
Broadly, the test results show significant reductions in NO x , particularly against a non-hybrid diesel baseline, and fueleconomy improvements of up to 18% for the vehicle and under the drive cycles tested. NO x results for the gasoline engine vehicle (started with the engine already hot). Source: Lightning Hybrids. Click to enlarge.
With these measures alone, fuel consumption could be reduced by around 3%. Comparison of the ML350 BlueTEC diesels. US fueleconomy city/hwy. Comparison of the ML350 gasoline engines. US fueleconomy city/hwy. Aerodynamically optimized light-alloy wheels. Cylinders. Displacement cc.
six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. Achates will demonstrate the engine in 2018 in a driveable light-duty truck. The light-duty engine is a “basic” Achates opposed piston 2-stroke engine, said Redon—i.e., A comparison between the 2.7L
Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal.
The 2015 Impreza offers improved fueleconomy, strengthening its position as offering the highest fueleconomy of any gasoline All-Wheel Drive car offered in the US. As a comparison, the 2014 Impreza with automatic is EPA-rated at 27 mpg city, 36 mpg highway and 30 mpg combined.). Earlier post.) Click to enlarge.
Fiesta—available in four- and five-door bodystyles—will offer North American buyers a new choice of 15 class-exclusive technologies and projected highway fueleconomy of 40 mpg, besting the Honda Fit, Nissan Versa and Toyota Yaris and Corolla. Our fueleconomy leader is now a PowerShift automatic. The Ford Fiesta’s 1.6-liter
Opel is bringing the new 96 kW/130 hp diesel to the market in the Grandland X with a six-speed manual transmission (fuel consumption urban 4.7-4.7 WLTP measurements converted to NEDC values for comparison purposes.) The new engine is equipped with fuel-saving Start/Stop. In comparison to its predecessor, the 88 kW/120 hp 1.6-liter
Alternative fuels from biomass. DOE asks respondents to comment on methodology to ensure a common ground for the various technologies and appropriate levels of success for comparison. For 2030 advanced vehicles, major subsystems (batteries, fuel cells, hydrogen tanks) are assumed to last for 15 years.
Berube went on to reference the importance of DOE’s major new Co-Optima initiative ( earlier post ), an effort to co-optimize new fuels and light-, medium- and heavy-duty engines which together could achieve very significant performance improvements. This fueleconomy improvement is reduced to 3% in comparison to a modern CI (i.e.
Based on test work already carried out, Ricardo estimates that a fueleconomy improvement of up to 30% is possible with no loss of power or performance, using a downsized EBDI engine in place of currently available gasoline powertrain technology. fueleconomy improvement. As points of comparison, the 6.0-liter
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