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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.
Texas-based Nacero, a company seeking to produce low- and zero-lifecycle carbon footprint gasoline blendstock ( earlier post ) has awarded a subsidiary of NextEra Energy Resources, LLC a 20-year power purchase agreement to supply wind power to Nacero’s planned flagship manufacturing facility in Penwell, Texas. Renewable natural gas.
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.
The results of the Life Cycle Assessment (LCA) of greenhouse gas emissions and primary energy demand of the cars tested by Green NCAP in 2022 show that the current and continuous trend towards larger and heavier cars, significantly increases the negative impact on climate and energy demand.
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.
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.
The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle. The turbocharger is operated via the 48-volt electrical system, which also feeds the belt-driven starter-generator (RSG).
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.
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.
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. The effective upgrading of alcohols to gasoline, diesel, and jet fuels.
The majority (69%) of primary energy imported into the United States in 2018 was crude oil, with petroleum products and natural gas also having significant shares, according to the US Energy Information Administration (EIA). Small amounts of biofuels, electricity, and coal were also imported. type jet fuel, kerosene?type
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
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. The Bloom Energy Servers are a proven market leader in clean, reliable, and resilient on-site power. —Jason Ahn, CEO of SK E&C.
Audi is adding a new member to its A3 family: the A3 Sportback 30 g-tron natural gas vehicle. Operation with natural gas or biomethane makes the compact model economical and more climate-friendly with low emissions. With full gas tanks, the car has an NEDC range of up to 495 (307.6 The A3 Sportback 30 g-tron 1.5
In addition to its regional and temporal scope, this study is distinct from earlier LCA literature in four key aspects: This study considers the lifetime average carbon intensity of the fuel and electricity mixes, including biofuels and biogas.
Vertimass and European Energy have completed a Letter of Intent (LOI) to integrate technologies for capturing carbon dioxide and converting it into hydrocarbon products around the world. —Søren Knudsen Kær , Head of Technology, Power-to-X of European Energy. —Vertimass CEO Charles Wyman.
and its strategic Mobile Energy Group (MEG) announced a strategic partnership with the China National Petroleum Corporation Nanjing (CNPC or PetroChina) to begin converting existing fossil fuel gas stations in the city of Nanjing. PetroChina operates gas stations throughout Jiangsu province. Ideanomics Inc.
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. CO 2 emissions decreased 2.2% from 2018 to 2019. Total GHG emissions in 2019 were up 1.8% Source: EPA.
Researchers led by a team at Washington State University (WSU) have developed a unique and inexpensive nanoparticle catalyst that allows a solid-oxide fuel cell to convert logistic liquid fuels such as gasoline to electricity without stalling out during the electrochemical process. —Qusay Bkour, lead author. Gray, Steven R.
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%
In 2020, total consumption of fossil fuels in the United States, including petroleum, natural gas, and coal, fell to 72.9 quadrillion British thermal units (Btu), down 9% from 2019 and the lowest level since 1991, according to the US Energy Information Administration (EIA) Monthly Energy Review.
In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. We think that the way to enable the use of electricity in these vehicles is with a plug-in hybrid.
A recent news story highlighted how the Bargersville, Indiana Police Department is saving a lot of money by using electric vehicles instead of gas-powered ones. Electric motors are more energy efficient than internal combustion engines, and not by a little. Electricity also costs less than gasoline, and EVs can be.
In 2024, a small electric SUV with a range of 300 miles produces 52% fewer life cycle greenhouse gas (GHG) emissions than a comparable gasoline vehicle. Electric vehicles (EVs) have no tailpipe emissions, but nearly three quarters of the GHG emissions for a gasoline vehicle come from the tailpipe (vehicle.
Given a spark, gasoline will burn in any environment. As a result, the station can be four times smaller compared to stations for gaseous hydrogen, and fuel can be refilled in the pit area in the same way as gasoline-powered vehicles. Why bother liquefying gas for transport? It can also be turned into electricity.
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. Energy is lost in this process.
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.
Southern California Gas Co. SoCalGas) will demonstrate a combination of technologies that will produce hydrogen from renewable natural gas (RNG) at SunLine Transit Agency’s hydrogen fueling station in Thousand Palms, California. —Neil Navin, SoCalGas vice president of clean energy innovations.
Audi’s latest e-fuels project is participation in a a pilot plant project in Dresden that produces diesel fuel from water, CO 2 and green electricity. The sunfire plant, which operates according to the “power-to-liquid” (PtL) principle, requires carbon dioxide, water and electricity as raw materials. gasoline with Global Bioenergies.
This analysis compares the costs of usable energy when we buy gasoline and electricity for driving and natural gas for keeping warm. Gasoline-powered vehicles. Combustion of a gallon of gasoline (that includes ethanol) releases 120,333 Btu of energy. All-electric vehicles. Natural-gas furnaces.
SOECs can be thermally integrated with a range of chemical syntheses, enabling recycling of captured CO 2 and H 2 O into synthetic natural gas or gasoline, methanol, or ammonia, resulting in further efficiency improvements compared with low-temperature electrolysis technologies. —Hauch et al.
The new-generation compact car benefits from gasoline (TSI); diesel (TDI); compressed natural gas (TGI); mild-hybrid (eTSI) and plug-in hybrid (eHybrid) units. The new Leon’s offer of standard gasoline engines are all direct-injection, turbocharged units and provide power outputs between 66kW/90PS and 140kW/190PS. Mating a 1.4
Improving fuel economy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Vehicles that use fuels other than gasoline, such as diesel or electricity, will have different fuel savings and fuel cost.
by Michael Sivak, Sivak Applied Research The overall advantage of battery electric over gasoline vehicles, in terms of well-to-wheels emissions of greenhouse gases, has been well documented. However, the emissions of electric vehicles depend greatly on the energy source used to generate the electricity that powers them.
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.
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.
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.
Lightning eMotors, a provider of medium-duty and specialty commercial electric vehicles for fleets, has expanded its partnership with Forest River ( earlier post ) to offer a factory-certified all-electric repower program for shuttle buses and passenger vans. —Forest River Bus president David Wright.
For the first time, two electric vehicles with a 500-mile driving range (two variants of the Lucid Air) sit at the top of the guide’s 10 most fuel-efficient vehicles. The top 10 “fuel sippers” among 2022 models in the new guide are all-electric vehicles offering a minimum of 111 miles per gallon-equivalent fuel economy.
In an open-access paper published in the ACS journal Energy & Fuels , they report that under an engine operating condition of 2000 rpm and brake mean effective pressure (4 bar), catalytic EGR reforming made it possible to sustain stable combustion with a volumetric equivalent of 45%–55% EGR. —Jim Szybist, ORNL. Source: Chang et al.
The all-new SEAT Leon offers five different powertrain technologies: gasoline (TSI); diesel (TDI); mild-hybrid (eTSI); plug-in hybrid (eHybrid); and compressed natural gas (TGI). All gasoline engines offered by the new Leon are direct injection and turbocharged units, with power outputs between 90 and 190 PS. TSI engines.
The US Energy Information Administration (EIA) forecasts that US crude oil production will average 11.9 Despite the increases in production, EIA expects the Brent crude oil price to remain above $100 per barrel this year, according to the agency’s May 2022 Short-Term Energy Outlook (STEO). million barrels per day this year and 12.8
Depletion of fossil energy resources [kg oil-eq.]. Primary energy, non-renewable [Megajoule]. Primary energy, renewable [Megajoule]. Note the large impact of energy storage in the latter. For the future, the electricity mix can also be manually entered to test the effects of different scenarios.
Electromobility is just now picking up momentum; further, electric cars are only as emissions-free as the production of electricity that charges their batteries. In addition, around half the vehicles that will be on the road in 2030 have already been sold—most with gasoline or diesel engines. Then add carbon.
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