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The 2022 FuelEconomy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fueleconomy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.
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.
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. This is the latest of my occasional updates on long-term trends in U.S.
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. This is the latest of my occasional updates on retrospective, long-term trends in U.S.
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 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.
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.
Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fueleconomy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.
The average fuel-economy (window-sticker) value of new vehicles sold in the US in October was 24.8 Vehicle fueleconomy is up 4.7 Sales-weighted window sticker (adjusted) fueleconomy. l/100km), up 0.2 mpg since October 2007 (the first month of their monitoring). Click to enlarge.
According to the Federal Highway Administration, the average fueleconomy for all light vehicles on the road today is 22.3 The Federal tax on gasoline is 18.4 cents per gallon, and each state has a gasoline tax, ranging from 8.95 Based on a vehicle with an average fueleconomy of 22.3 cents in Alaska to 58.7
According to the US Department of Energy (DOE) Vehicle Technologies Office (VTO), for the 2021 model year, the median driving range of all-electric vehicles (EV) was 234 miles while the median range for gasoline vehicles was 403 miles. Median and Maximum Range for Model Year 2021 Vehicles by Fuel Type.
Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)
Advocacy group Coltura has published a report that finds converting the biggest users of gasoline to EVs in the next ten years is critical to reaching climate goals and that present EV policies are poorly suited to accomplishing that conversion. Among the findings of the report: Drivers are highly unequal in their gasoline consumption.
With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fueleconomy and CO 2 emissions. In the analysis, EPA uses overall fueleconomy in mpg equivalent (mpge) and tailpipe CO 2 emission values.
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).
Diesel will surpass gasoline as the number one transportation fuel worldwide by 2020 and continue to increase its share through 2040, according to ExxonMobil’s recently published Outlook For Energy: A View To 2040. Sources for fueleconomy gains in light-duty vehicles. Click to enlarge. Source: ExxonMobil Outlook.
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.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fueleconomy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Compared with other gasoline engines, the intake valves of the 1.5 l/100 km (49 mpg US).
The annual fuel costs for plug-in hybrid-electric vehicles, which can fuel with gasoline and electricity, are next lowest, and are heavily influenced by the electric range of the vehicle. All annual vehicle fuel costs are rounded to the nearest $50. regular gasoline; $3.00 premium gasoline; $2.85
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%
Manufacturers have been adopting technologies that improve the efficiency of light-duty vehicles and allow them to achieve greater fueleconomy. Gasoline hybrid vehicles accounted for 4%, while plug-in hybrid, all-electric, and fuel cell vehicles had a combined total of 3%.
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
million over three years as part of an $80-million Co-Optima funding round ( earlier post ) to conduct research and development for an advanced mixed-mode gasoline (spark/compression ignition) engine to attain significant improvements in both fueleconomy and CO 2 emissions.
In part-load operation, the indirect injection supplements direct gasoline injection to improve fueleconomy and to reduce the output of particulates from the engine. Port Fuel Injection (PFI) engines, on the other hand, have no trouble in meeting the limits, although the number of particles emitted varies with driving behavior.
In a new report analyzing the emerging global market for technologies that improve fueleconomy, Navigant Research forecasts that sales of gasoline and diesel stop-start vehicles (SSVs) will reach 63 million annually by 2025, representing 58% of all vehicles sold in that year.
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).
Nissan introduced a new Rogue SUV for the 2021 model year; for 2022, Nissan is making its best-selling model more powerful, more fuel-efficient and more fun to drive with an all-new, 1.5-liter Even with the increased power, the 2022 Rogue’s estimated fueleconomy is 33 mpg combined—an increase of 3 mpg over the 2021 model.
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.
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 450 hp (336 kW) V6 gasoline engine will be supported by an electric motor powered by a Li-ion battery pack, capable of adding around 75 kW (100 hp) hybrid power boost when required, and a 9-speed automatic gearbox. The powertrain incorporates a new aluminum-based downsized twin-turbocharged 3.0-liter
The advanced Ingenium family, which includes a range of diesel, gasoline and electrified engines, are built to maximise performance while at the same time reducing the environmental impact and running costs for customers. Jaguar Land Rover has now produced more than 1.5
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 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. Ford has unveiled the all-new Ford Focus. Ford’s multi-award-winning 1.0-liter
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. six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions.
e-POWER uses a highly efficient gasoline engine to generate electricity for the electric motor that propels the vehicle. The onboard gasoline engine used to generate electrical energy is also more efficient, resulting in both increased power and better fueleconomy. The new inverter is 40% smaller and 30% lighter.
The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fueleconomy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. The market share of GDI-equipped vehicles increased from 2.3% W/m 2 over urban regions.
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.
T-GDi Engine, a four-cylinder gasoline turbo unit with 180 horsepower and 27.0 The new powertrain is the first to utilize the Group’s new CVVD technology and also features Low-Pressure Exhaust Gas Recirculation (LP EGR) to further optimize fuel efficiency. Smartstream G1.6 T-GDi engine. kgm (265 N·m) of torque.
Jaguar Land Rover is expanding its Ingenium engine family with a new six-cylinder gasoline engine designed and engineered in-house, and manufactured at its £1-billion Engine Manufacturing Centre (EMC) in Wolverhampton, UK. The new Ingenium engine will be manufactured alongside the current four-cylinder gasoline and diesel engines.
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.
Toyota estimates that the 2019 Avalon Hybrid will boost fueleconomy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 liter four-cylinder Dynamic Force Engine is more fuel efficient, runs cleaner, and is more powerful than previous iterations, and excels at dissipating thermal inefficiencies. l/100 km) combined.
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.
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 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.
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