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A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fueleconomy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Fleet-wide fueleconomy gains produced large fuel savings. Greene et al.
Improving fueleconomy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Similarly, the fuel and cost savings of improving fueleconomy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.
This analysis examines the effect of this downturn in driving on gasoline consumption (both total and per capita), and places the consumption in 2020 in a historical context. The results show that gasoline consumption per capita in 2020 was on par with that 55 years ago. Total consumption. Total consumption (millions of gallons).
l/100 km, respectively)—the highest EPA-estimated fueleconomy ratings of any gasoline-powered full-size pickup sold in America. liter EcoBoost with standard Auto Start-Stop; a new standard 3.5-liter The new 2015 Ford F-150 ( earlier post ) 4x2 with Ford’s 2.7-liter liter EcoBoost engine.
The all-new Honda Jazz features efficient and responsive performance delivered by e:HEV hybrid technology as standard. liter DOHC i-VTEC gasoline engine, a lithium-ion battery and an innovative fixed-gear transmission via an intelligent power control unit. l/100km (52 mpg US) (WLTP) on the standard model and 110 g/km (WLTP) and 4.8l/100km
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.
EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and FuelEconomy Trends. The report is the authoritative reference for real-world fueleconomy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.
ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fueleconomy by ?10%
In the US, Model Year (MY) 2018 vehicle fueleconomy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fueleconomy has increased 30%, or 5.8 Average estimated real-world CO 2 emissions are projected to fall 6 g/mi to 346 g/mi and fueleconomy is projected to increase 0.4
Fueleconomy estimates are not available at this time, but Toyota expects it to be extremely competitive at the top of the segment—and a huge improvement over the previous generation (14 or 15 mpg US combined, for 4WD or 2WD models, respectively).
Mated with a responsive new transmission, the 2022 Rogue delivers improved power, best-in-class gasoline-engine fueleconomy, most standard torque of any gasoline engine in its class and a more thrilling driving experience. Rogue also maintains the most standard safety technology in its class for 2022.
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 Vehicle fuel efficiency on FTP. +35% Earlier post , earlier post.). 35% (PFI baseline).
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
The Environmental Protection Agency (EPA) is finalizing the federal greenhouse gas (GHG) emissions standards for passenger cars and light trucks for Model Years (MY) 2023 through 2026. EPA is planning to initiate a separate rulemaking to establish multi-pollutant emission standards under the Clean Air Act for MY 2027 and later.
Researchers at the MIT Joint Program on the Science and Policy of Global Change have compared the worldwide economic, environmental, and energy impacts of currently planned fueleconomystandards (extended to the year 2050) with those of region-specific carbon prices designed to yield identical CO 2 emissions reductions.
Separately, the Accord Hybrid, also featuring Honda’s new two-motor hybrid system, will launch nationwide next summer with anticipated fueleconomy ratings of 49/45/47 city/hwy/combined (4.8/5.2/5.0 liter 4-cylinder Atkinson-cycle gasoline engine producing 137 hp (102 kW) at 6200 rpm, teamed with a 124 kW electric motor.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector.
EPA fueleconomy ratings and gas-electric range rating determined by Honda.). liter 4-cylinder Atkinson-cycle gasoline engine producing 137 hp (102 kW) at 6200 rpm, teamed with a 124 kW electric motor. At higher speeds or under high demand for acceleration, the gasoline engine can kick in to provide additional power.
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. Yamasaki, Y.,
Corning Incorporated’s Environmental Technologies business reached a significant production milestone at its Kaiserslautern, Germany manufacturing facility with the production of its 1 millionth Corning DuraTrap GC gasoline particulate filter (GPF) for automotive emissions control.
The new Focus features a broad suite of Ford advanced driver assistance technologies and advanced EcoBoost gasoline and EcoBlue diesel engines offering a 10% fuel-efficiency improvement across the range. Particulate emissions are reduced using standard gas particulate filter technology. Ford has unveiled the all-new Ford Focus.
In the Reference case, petroleum and other liquids (mainly motor gasoline and distillate fuel oil) are the primary fuels consumed in the US transportation sector. Source: U.S. Energy Information Administration, Annual Energy Outlook 2022 (AEO2022).
At the Chicago Auto Show, Hyundai introduced its new 2020 Sonata Hybrid, featuring up to 686 miles of driving range and an EPA-estimated 52 mpg combined fueleconomy rating on the Blue trim. Combined system power output is 192 horsepower and EPA estimated fueleconomy numbers are 50 city, 54 highway and 52 combined for the Blue trim.
Toyota projects fueleconomy of 52 mpg city / 48 mpg highway / 50 mpg combined for the AWD-e model, and estimates that the AWD-e model—which is debuting at the LA Auto Show—could account for as much as 25% of annual US Prius sales. The Prius gets a good share of its fuel efficiency by cheating the wind with an ultra-low 0.24
liter hybrid system akin to that in the Prius c ( earlier post ) and that achieves a fuel efficiency of 33.0 Not only is friction loss reduced, coolant flow rate can be very precisely controlled, contributing to improved fueleconomy. Rear seat knee space is 640 mm, achieving comfort on par with gasoline-engine vehicles.
has launched the New Skyline 200GT-t (the next-generation turbo model) featuring a high-power, fuel-efficient lightweight turbocharged gasoline engine with maximum power output of 155 kW?(208 All grades of the next-generation Skyline turbo model achieve the 2015 fueleconomystandard, qualifying for tax breaks.
The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fueleconomy of EVs for use in the Corporate Average FuelEconomy (CAFE) program administered by the Department of Transportation (DOT). Background. Proposed PEF.
The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). California currently limits the ethanol content of gasoline to 10 percent. SULEV30, ULEV50, ULEV70, and ULEV125).
Russia’s invasion of Ukraine and the skyrocketing fuel prices that ensued last year got me thinking about how to cut down on my consumption of gasoline. I knew, though, that it was going to be difficult to test out different driving techniques without more immediate feedback of their effects on fueleconomy. Mine doesn’t.
It will be compliant to the US EPA’s 2027 regulations while providing a step change in fueleconomy improvement. will be offered in diesel, natural gas, gasoline and propane. For further reductions in carbon emissions, customers may choose to use B20 or renewable diesel. Additionally, the B6.7
However, they also noted, high PTW efficiencies and the moderate fueleconomies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fueleconomy and natural gas compressor efficiency.
Volvo has extended its S60 range—the third generation of the premium mid-size sedan—to incorporate further powertrain choices and equipment grades, including an allwheeldrive gasoline-electric hybrid and a trim level that focuses on luxury and craftsmanship. Fueleconomy (on the WLTP combined cycle) is up to 147 mpg US.
Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fueleconomy rating exceeding 45 mpg (5.22 EGHR improves engine warm up and assures consistent fueleconomy performance in cold weather. engine with start/stop. An 80-cell, 1.5
The goals of the current Gen 3 were to: significantly improve the engine’s already good power, torque and fuel efficiency; reduce the weight of the unit, while maintaining at least equivalent comfort attributes; and. to conform to future emissions standards, particularly the stringent EU6 standard which will be mandatory in Europe in 2015.
liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Ford says the engine can deliver up to 15% better fueleconomy than comparable six-cylinder engines. Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds.
liter VVT-i gasoline engine. Still one of the lightest engines in its class, the unit incorporates numerous revisions that enhance performance and help deliver class-leading fuel efficiency and CO 2 emissions. Gasoline engines are chosen by 85% of A-segment customers in Europe. “ New AYGO comes in both standard and Eco-versions.
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
With an all-electric range of about 35 highway miles (56 km), and a total range in excess of 300 miles (482 km), the ELR offers fueleconomy of 82 MPGe, Cadillac estimates. gasoline-powered electric generator. (Base price of a 60 kWh Tesla Model S—without Federal tax incentive, but with destination fee—is $71,070.)
The overall engine thermal efficiency has been improved by 38% and the maximum transmission efficiency reaches 95%, with its fuel consumption reduced by 15% per 100km, combining power and fueleconomy. intelligent network connection system as a standard. The Song PLUS is equipped with the DiLink 3.0
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.).
The new MY2014 Mercedes-Benz Sprinter van for the US now features a 2.1L, 4-cylinder diesel with a t-speed automatic transmission as standard. The 4-cylinder Sprinter features a 7-speed automatic transmission with torque converter—the only 7-speed automatic transmission to feature in a van—is refined for maximum fueleconomy.
The expected fueleconomy ratings will deliver the highest driving range on one tank of fuel yet for Gladiator. of torque, with engine stop-start (ESS) technology standard, is available on Gladiator Sport, Overland and Rubicon models. 1 to improve fueleconomy and reduce engine noise. axle ratio.
A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fueleconomy. In the Hybrid, the gasoline engine employs an even higher 14:1 compression ratio and is tuned to produce 176 hp and 163 lb.-ft.
The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) has finalized new Corporate Average FuelEconomystandards for MY 2024-2026. The new standards require an industry-wide fleet average of approximately 49 mpg for passenger cars and light trucks in model year 2026. Passenger Cars.
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