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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.
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.
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.
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.)
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.
Improving fuel economy 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 fuel economy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.
The discovery of this technique, which uses a metal catalyst and releases—rather than requires—energy, was reported in Nature Chemistry and has received a provisional patent from the Wisconsin Alumni Research Foundation. This process can be harnessed to produce electricity, with protons and nitrogen gas as byproducts.
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.
The estimated annual fuel costs for model year (MY) 2019 all-electric light-duty vehicles are the lowest of all the different vehicle technologies, ranging from a low of $500 to a high of $900 per year, according to the US Department of Energy (DOE). regular gasoline; $3.00 premium gasoline; $2.85 diesel; and $0.13
Solid-oxide-fuel-cell manufacturer Bloom Energy is entering the commercial hydrogen market by introducing hydrogen-powered fuel cells and electrolyzers that produce renewable hydrogen. Bloom’s technologies can be critical in enabling South Korea to execute on its government-mandated Hydrogen Economy Roadmap.
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 target of 1.5
Increased economic activity and a changing fuel mix in the electric power sector in 2021 will lead to a significant increase in energy-related carbon dioxide emissions this year, according to the US Energy Information Administration’s (EIA) August Short-Term Energy Outlook (STEO). Gasoline prices averaged $3.14
US energy-related CO 2 emissions declined by 2.8% in 2019 to 5,130 million metric tons (MMmt), according to data in the US Energy Information Administration’s (EIA) Monthly Energy Review. The changes in US energy-related CO 2 emissions in 2019 offset the increase in 2018. Total net electricity generation fell by 1.5%
GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. Department of Energy (DOE). GMZ is targeting a fuel economy improvement of 5%. Earlier post.)
The US Energy Information Administration’s (EIA’s) Annual Energy Outlook 2022 (AEO2022) Reference case forecasts that US energy consumption will grow through 2050, primarily driven by population and economic growth. Energy Information Administration, Annual Energy Outlook 2022 (AEO2022). Source: U.S.
e-POWER uses a highly efficient gasoline engine to generate electricity for the electric motor that propels the vehicle. The second-generation e-POWER system features an all-new electric motor and inverter. Electric motor torque was increased by 10% and output by 6%. The new inverter is 40% smaller and 30% lighter.
Exxon Mobil Corporation’s new The Outlook for Energy: A View to 2040 , released last week, projects that global energy demand in 2040 will be about 30% higher than it was in 2010 as population grows to 9 billion and global GDP doubles. Growth is led by developing regions such as China, India, Africa and other emerging economies.
Energy consumption by light-duty vehicles in the United States, AEO2013 and AEO2014, 1995-2040 (quadrillion Btu). LDV energy consumption declines in AEO2014 Reference case from 16.0 quadrillion Btu in 2012 to 12.1 quadrillion Btu in 2040, compared with 13.0 quadrillion Btu in 2040 in the AEO2013 Reference case. Source: EIA.
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 fuel economy gains in light-duty vehicles. Click to enlarge. Source: ExxonMobil Outlook.
liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Improving the vehicle fuel economy is a must due to the climate change and energy issues. An electrical Variable Valve Timing system (VVT-iE) is a key element for implementing the Atkinson cycle.
Driven by increasing population, urbanization and rising living standards, the world will require some 35% more energy in 2040, according to ExxonMobil’s annual forecast report: Outlook for Energy: A View to 2040. Without the projected gains in efficiency, global energy demand could have risen by more than 100%. Transportation.
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.
This decrease was driven largely by a decrease in emissions from fossil fuel combustion resulting from a decrease in total energy use in 2019 compared to 2018 and a continued shift from coal to natural gas and renewables in the electric power sector. CO 2 emissions decreased 2.2% from 2018 to 2019. Source; EPA.
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.
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 fuel economy ratings and gas-electric range rating determined by Honda.).
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).
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.
EIA’s Annual Energy Outlook 2019 projects continued robust growth in US energy production, emergence of the United States as an energy exporter, and a cleaner S electric power generation mix. Light-duty vehicle energy efficiencies are affected by current federal fuel economy and greenhouse gas emission standards.
liter in-line four-cylinder Skyactiv-G gasoline engine with a 100 kW electric motor and a 355V, 17.8 liter e-Skyactiv X gasoline engine, both featuring Mazda’s 48V mild hybrid system. liter e-Skyactiv X gasoline engine, both featuring Mazda’s 48V mild hybrid system. kWh battery pack.
The US Energy Information Administration (EIA) forecasts that US energy-related carbon dioxide (CO 2 ) emissions will decline by 11% in 2020. If realized, this decline would represent the largest decline in not only percentage but also absolute terms in EIA’s energy-related CO 2 series that dates back to 1949. Source: U.S.
However, they also noted, high PTW efficiencies and the moderate fuel economies 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. Their open access paper is published in the journal Energy.
In its International Energy Outlook 2019 (IEO2019), the US Energy Information Administration (EIA) projects that world energy consumption will grow by nearly 50% between 2018 and 2050. IEO2019 contains energy consumption projections for 16 regions of the world. —Linda Capuano, EIA Administrator. Light-duty vehicles.
The road transport sector could still reach net-zero emissions by 2050 through electrification, but urgent action would be required from policymakers and industry participants, according to research company BloombergNEF’s (BNEF) latest annual Long-Term Electric Vehicle Outlook (EVO). million sold in 2021 to 21 million in 2025.
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%. Source: DOE, US EPA.
Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.
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% fuel economy improvement over a traditional internal combustion engine vehicle.
Carbon dioxide emissions from S energy consumption will remain near current levels through 2050, according to projections in EIA’s Annual Energy Outlook 2019. USenergy-related carbon dioxide emissions and fossil fuel energy consumption. Energy-related CO 2 emissions generally follow energy consumption trends.
Porsche, Siemens Energy and partners are developing and implementing a pilot project—the “Haru Oni” project—in Chile that is expected to yield the world’s first integrated, commercial, industrial-scale plant for making synthetic climate-neutral fuels (eFuels). —Christian Bruch, CEO Siemens Energy.
It comprises two compact, electric motors connected to a 1.5-liter liter DOHC i-VTEC gasoline engine, a lithium-ion battery and an innovative fixed-gear transmission via an intelligent power control unit. The hybrid system produces CO 2 emissions from 102 g/km (WLTP) and fuel economy of 4.5
The 3-year comparative programme will begin later this year to help decarbonize the UK’s freight industry with initial competitions for battery-electric and hydrogen-fuel-cell technology launching shortly. Our road freight industry is one of the most efficient in the world and contributes over £13 billion to the UK economy each year.
For the first time, Lawrence Livermore National Laboratory (LLNL) has published state-by-state energy and water Sankey diagrams in one location so that analysts and policymakers can find all the information they need in one place. General location of energy and water categories. Energy and water generally “flows” from left to right.
The new Note features the second generation of Nissan’s e-POWER electric powertrain—a series-hybrid drive system in which the only function of the combustion engine is to act as a generator to produce power for the battery. The second-generation e-POWER system has an all-new electric motor and inverter.
Developed from a fully electric vehicle, the Outlander PHEV has an architecture consisting of a front electric motor, a rear electric motor and no gearbox. It offers customers energy efficiency and a smooth driving experience. liter gasoline engine. l/100km (NEDC Correlated)/2.0 l/100km (NEDC Correlated)/2.0
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 fuel economy of 82 MPGe, Cadillac estimates.
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