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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.
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.
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. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.
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.
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. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. —Curran et al.
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.
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. Ford Focus Electric. Honda Fit EV Efficiency Comparison. EPA Combined MPGe. Mitsubishi i-MiEV. Nissan Leaf.
EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.
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. mpg US (5.87 L/100km) in model year 2021, and 49.6 improvements.
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).
US President Barack Obama announced fuel efficiency and greenhouse gas emission standards for medium- and heavy-duty vehicles. Under the new program, trucks and buses built in 2014 through 2018 will reduce oil consumption by a projected 530 million barrels and greenhouse gas (GHG) pollution by approximately 270 million metric tons.
The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. version of its vehicle (a 2009 Ford Focus) but with fueleconomy and CO 2 emissions approaching those of a Prius.
Fueleconomy is estimated at 26 mpg (9.0 Estimated city fueleconomy is 25 mpg (9.4 gallon fuel tank, the same as non-hybrid models, driving range is estimated at more than 526 miles (847 km). gallon fuel tank, the same as non-hybrid models, driving range is estimated at more than 526 miles (847 km).
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
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 water-cooled EGR.
In this case—which reflects only current laws and regulations—renewable energy is the fastest-growing energy source through 2050, while petroleum remains the largest share of energy consumption throughout that period, followed by natural gas. Source: U.S. Energy Information Administration, Annual Energy Outlook 2022 (AEO2022).
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
Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. 1, and the engine is designed to run on 98 RON gasoline. Electric TiVCT system. Earlier post.). mm; compression ratio is 11.5:1,
The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. from 2018 to 2019, and CO 2 emissions just from fossil fuel combustion decreased 2.7%
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.
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). The Postal Service said in February that at least 10% of the new mail trucks would be electric.
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. 1 gallon of gasoline=33.7 Phoenix and Tucson, Ariz.; Portland, Ore.;
Set to go on sale in early 2013, Honda’s 2014 Accord Plug-in Hybrid (PHEV) Sedan ( earlier post ) will offer the ability to run in an all-electric mode for 10 to 15 miles and a calculated total driving range of more than 500 miles. EPA fueleconomy ratings and gas-electric range rating determined by Honda.).
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.,
100km), bettering the fueleconomy of the Toyota Prius v by 3 mpg on the city cycle and 7 mpg on the highway (5 mpg combined). We’ve done this with innovation—represented by nearly 500 hybrid patents—while driving costs down 30 percent so we can bring these fuel-saving vehicles to more customers. C-MAX Hybrid.
Fletcher is responsible for the Extended Range Electric Vehicle propulsion system in the Chevrolet Volt as well as the propulsion systems in GM’s upcoming line-up of Plug-In Hybrid Elecrtic Vehicles. As she outlined it: eAssist provides a average 25% fueleconomy improvement over a traditional internal combustion engine vehicle.
Chevrolet Volt owners have accumulated more than half a billion all-electric miles since the vehicle’s launch in 2010. Volt owners who charge regularly typically drive more than 970 miles between fill-ups and visit the gas station less than once a month. The Toyota Prius is the most frequently traded-in vehicle for a Volt.
The Responsible Battery Coalition, in partnership with the University of Michigan Center for Sustainable Systems, launched a comprehensive research project to compare the total cost of ownership of gas and electric vehicles (EVs). Projections of future gasoline and electricity prices. Anticipated driving patterns.
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.
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 fueleconomy standards (extended to the year 2050) with those of region-specific carbon prices designed to yield identical CO 2 emissions reductions.
Improvements contributing to this better fueleconomy come from many areas. Designed to be lighter and more efficient, the new EA888 Gen 3 turbocharged and direct-injection four-cylinder powerplant features a number of refinements, including a novel cylinder-head-integrated exhaust manifold with exhaust gas cooling. liter model.
A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. This process can be harnessed to produce electricity, with protons and nitrogen gas as byproducts.
On the gasoline side, the 2013 Ram 1500 equipped with a 3.6-liter liter Pentastar V-6 gasoline engine earned 25 mpg (9.4 The Ram 1500 now owns the half-ton pickup segment’s top two spots in the EPA’s 2014 highway fuel-economy rankings. The combined city/highway rating is 23 mpg (10.2 l/100 km.). The all-new 3.0-liter
liter Dynamic Force ( earlier post ) four-cylinder Toyota Hybrid System II (THS II) with 650V electric motor (A25A-FXS) and Continuously-Variable Transmission (CVT). Toyota estimates that the 2019 Avalon Hybrid will boost fueleconomy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 l/100 km) combined.
For the study, they define EVs as including both battery-electric (BEV) and plug-in hybrid electric (PHEV) vehicles. Only in the case of high EV market share and a high renewable electricity standard (RES) do EVs make a material contribution to greenhouse gas (GHG) reductions, they found. Credit: ACS, Choi et al.
Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc. 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. You move from one pump to the other. Earlier post.).
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 The engine also features Chevrolet’s first application of Exhaust Gas Heat Recovery, or EGHR, technology, which uses exhaust heat to warm the engine and cabin.
Alternative fuel vehicles (AFVs)—including battery-electric (BEVs), plug-in hybrid (PHEVs), propane autogas (PAGVs) and natural gas vehicles (NGVs)—will grow from 5.0% Vehicles running primarily on hydrogen and electricity will make up less than 1% of all MHDVs in 2035, according to Navigant. Background.
At SAE World Congress in Detroit, Honda engineers presented several papers on the development of the new Accord plug-in hybrid, describing work on the new gasoline engine (which will also be featured in the coming full hybrid version of the Accord), and the development of the new two-motor system. gasoline engine. Fuel injection type.
The vehicles feature the fuel-efficient Atkinson-cycle engine, as well as a cooled Exhaust Gas Recirculation (EGR) system to further improve engine efficiency. The water pump is driven by an electric motor, thus eliminating the need for a drive belt.
natural gas vehicle. natural gas vehicle, previewed in a concept form in 2011 ( earlier post ) and revealed in its production version at the Geneva auto show in March this year, in Europe. m 3 ) of natural gas per 100 km—equivalent to CO 2 emissions of 79 g/km. Like the gasoline engines of the up!, The eco up!
Initial sales of the 2014 Cadillac ELR extended range electric luxury coupe ( earlier post ) will begin in January in all major US metropolitan areas. 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.
The 2014 Honda Accord Plug-In Hybrid Electric Vehicle, rated by the EPA at 115 MPGe1 in all electric mode went on-sale at select New York and California Honda dealers on 15 January 15 with an MSRP of $39,780 and a monthly lease price of $429. Electric-only operation is supported by a 6.7-kilowatt-hour Earlier post.).
The engine features Toyota’s most advanced technologies, including Dual VVT-i with VVT-iE (Variable Valve Timing intelligent system by Electric motor) and laser-clad valve seats. liter Dynamic Force four-cylinder engine and an electric motor (MG1), while using that motor and a second motor (MG2) for hybrid battery charging.
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