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A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Estimated attribution of fuel savings due to fuel economy improvements to light-duty vehicles since 1975.
The PODA model is a machine-learning-based model to project the US gasoline demand using COVID-19 pandemic data, government policies and demographic information. The Motor Gasoline Demand Estimation Module quantifies motor gasoline demands due to the changes in travel mobility. —Ou et al.
The 2022 Fuel Economy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fuel economy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.
vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Calculated vehicle fuel economy is available going back to 1923. The graph below shows the changes in actual vehicle fuel economy from 1966 through 2019.
A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.
vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to 1923. For 1966 through 1985, fuel economy was calculated from the information in a summary publication by the U.S.
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. Range for gasoline vehicles is based on tank size and EPA combined fuel economy rating.
According to the Federal Highway Administration, the average fuel economy 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 fuel economy of 22.3 cents in Alaska to 58.7
Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock. —Allan Tuan.
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.
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).
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.)
Americans collectively spent $388 billion on gasoline in 2018, averaging to 34 million fill-ups a day. The study found that respondents categorized gasoline as a household expenditure that is more important than other major expenses such as healthcare and savings/emergency funds, only behind groceries, housing/rent, and utilities.
In a commentary in the journal Joule , Rob McGinnis, founder and and CEO of Prometheus , a company that is developing technology to remove carbon dioxide from the air and turn it into fuels, discusses the technology advances that could lead to the potential price-competitiveness of renewable gasoline and jet with fossil fuels.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Chargers of this kind combined with gasoline engines are usually found only in high-performance cars. l/100 km (49 mpg US).
Groupe Renault is creating the REFACTORY in Flins, the first European circular economy site dedicated to mobility. It will be based on a wide network of partners from all sectors and will revolve around 4 poles of activity, putting into practice the principles of the circular economy at each stage of the vehicle life cycle and mobility.
Manufacturers have been adopting technologies that improve the efficiency of light-duty vehicles and allow them to achieve greater fuel economy. Gasoline hybrid vehicles accounted for 4%, while plug-in hybrid, all-electric, and fuel cell vehicles had a combined total of 3%.
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. Annual fuel cost estimates are based on combined city/highway fuel economy, 15,000 annual miles, and the following fuel prices: $2.55 diesel; and $0.13
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 fuel economy and CO 2 emissions.
EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.
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
Thanks to incentives, the 2025 Nissan Leaf is now the automaker's cheapest model regardless of powertrain type, reports CarsDirect, undercutting the gasoline Versa economy car.
The Premier of Québec François Legault, and the Minister of the Environment and the Fight against Climate Change and Minister responsible for the Laval region, Benoit Charette, unveiled the 2030 Green Economy Plan (PEV 2030) and its first 2021-2026 implementation plan, with an envelope of $6.7 billion over five years.
A sudden drop in miles traveled by car in the US triggered by wide-spread social isolation measures will have immediate ramifications for gasoline demand. IHS Markit analysis finds that US gasoline demand could fall by as much as 4.1 The four-week average US gasoline demand for the week ending 6 March 2020 was 9.1
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.
Gasoline consumption in the United States is now more than halfway back to pre-COVID-19 levels as motorists get back on the road amid at least a partial recovery of the US economy, according to OPIS, an IHS Markit company. This allows users to track and benchmark industry trends for overall retail gasoline sales.
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.
In the US, Model Year (MY) 2018 vehicle fuel economy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy 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 fuel economy is projected to increase 0.4 miles per gallon, 0.8%
Nacero has licensed Topsoe TIGAS (Topsoe Improved Gasoline Synthesis) technology for its multi-billion USD natural-gas-to-gasoline facility in Penwell, Texas to produce 100,000 barrels per day of gasoline component ready for blending into US commercial grades. The captured CO 2 will be used for enhanced oil recovery.
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
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.
At Gevo, we are replacing fossil-based jet fuel and gasoline with better-performing, renewable low-carbon jet fuel and isooctane to lower greenhouse gas emissions. —Patrick Gruber, Ph.D., CEO of Gevo.
This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The four-cylinder always starts in CNG mode, only injecting slight amounts of gasoline under rare operating conditions. US gal) mounted in front of the rear axle. The driver does not notice this switch.
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 fuel economy. The new inverter is 40% smaller and 30% lighter.
The industry has long recognized that increasing injection pressure to 500+ bar could substantially cut engine-out particulates while improving CO2 emissions and fuel economy. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi injector.
Nacero will transition its current pre-construction, multi-billion USD facility in Penwell, Texas—designed to produce low carbon gasoline—to the production of sustainable aviation fuel (SAF) and lower carbon aviation fuel (LCAF). TIGAS efficiently produces high-value gasoline from natural gas, shale gas, or associated gas.
The new manufacturing facility will produce low- and zero-lifecycle carbon footprint gasoline blendstock made from natural gas and renewable natural gas. Nacero Blue Gasoline is made from natural gas using renewable power and carbon capture. Nacero Green Gasoline is made from renewable natural gas and captured flare gas.
Vehicle fuel economy improvements have slowed globally, according to the latest report from the Global Fuel Economy Initiative (GFEI): Fuel Economy In Major Car Markets: Technology And Policy Drivers 2005-2017. Overall, global fuel economy has improved by an average of 1.7% in the past two years. L ge /100 km.
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. Motor gasoline meets on-road passenger light-duty vehicle (LDV) travel demand, while diesel consumption meets our assumed increases in medium- and heavy-duty freight truck travel.
The study concludes that, with appropriate policy support, the renewable hydrogen sector can reach self-sustainability (price point at parity with conventional fuel on a fuel-economy adjusted basis) by the mid- to late-2020s. per kilogram by 2025.
This spring, Blue Bird will begin production of its propane and gasoline Vision school buses integrating Ford’s all-new 7.3L The advanced fuel system technology was developed by ROUSH CleanTech, the same company that has manufactured more than 30,000 propane and gasoline fuel systems for Blue Bird buses equipped with Ford’s 6.8L
The ultra-lean burn engine is an eco-friendly technology that increases thermal efficiency and fuel economy compared to conventional engines leading to further reduction of greenhouse gases. Aramco aims to leverage its advanced fuels technology carefully to design an effective fuel formulation.
In the first phase, the planned facility will process up to 300 tons of shredded tires each day to produce low-carbon, low-sulfur drop-in fuels that can be blended into diesel and gasoline. The process also recovers carbon black that can be reused in the circular economy for the production of new tires and other industrial rubber products.
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.
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