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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.
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.
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.
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. to C 2 fuel products such as ethanol.
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.
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).
The ICCT has conducted a comprehensive global and temporal life-cycle assessment of GHG emissions from a variety of alternative passenger car powertrains and fuels. This study considers the fuel and electricity consumption in average real-world usage instead of solely relying on official test values.
A team at the University of Nebraska-Lincoln has investigated the long-term adaptability and economic feasibility of non-flex-fuel vehicles—vehicles designed to use fuel blends containing 85% ethanol (E85) or less—to consume a 30% ethanol (E30) fuel blend. MPG compared to E15.
In 2020, total consumption of fossil fuels in the United States, including petroleum, natural gas, and coal, fell to 72.9 2020 marked the largest annual decrease in US fossil fuel consumption in both absolute and percentage terms since at least 1949, the earliest year in the EIA annual data series.
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.
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.
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.
In the first quarter of 2021, hybrid electric vehicles made up 18.4% Demand for electrically-chargeable cars also increased in Q1: battery-electric vehicles made up 5.7% Demand for electrically-chargeable cars also increased in Q1: battery-electric vehicles made up 5.7% Gasoline and diesel cars. Data: ACEA.
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. Operation with the knock-resistant fuel CNG enables a higher 12.5:1 US gal) mounted in front of the rear axle.
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-fuelgasoline-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.
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. 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 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).
a nationwide distributor of propane, fuel oil and related products and services, as well as a marketer of natural gas and electricity, is purchasing a 39% stake in Oberon Fuels, a San Diego, CA-based development-stage producer of low-carbon, renewable dimethyl ether (rDME) transportation fuel. Earlier post.).
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. Climate neutrality.
The new VW Golf is now also available in certain markets with natural gas drive: the Golf TGI is equipped with a 1.5-liter liter four-cylinder engine with 96 kW / 130 PS and three natural gasfuel tanks. The tanks are integrated into the underbody and permit a range of around 400 kilometers (WLTP) in pure natural gas mode.
Other fuels that play a role in commercial trucking include gasoline (23%) and compressed natural gas (0.4%). Electric and other categories each register less than 1%. About 32% of all electric trucks nationwide are in California, where for every electric truck there are about 300 diesel trucks (all years, Classes 3-8).
The California Air Resources Board (CARB) Executive Officer has certified the 2020 annual update to the carbon intensities (CI) of the lookup table pathways for a) California Average Grid Electricity Used as a Transportation Fuel in California and b) Electricity Supplied under the Smart Charging or Smart Electrolysis Provision.
Although all-electric vehicles (EVs) produce zero tailpipe emissions, there are upstream emissions of greenhouse gases from electricity production. Using electricity production data by source and state, the DOE’s Alternative Fuels Data Center has estimated the annual carbon dioxide (CO 2 e)-equivalent emissions of a typical EV.
Argonne National Laboratory has published a new cradle-to-grave (C2G) lifecycle analysis (LCA) of US LDV vehicle-fuel pathways. The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 This enables further reduced fuel consumption and emission levels plus powerful torque even at low engine speeds.
Allison Transmission announced the availability of hydrogen fuel cell and compressed natural gas (CNG) testing at its Vehicle Electrification + Environmental Test Center ( VEET ). Phase one provides the ability to detect safely and to manage hydrogen gas or flames in the test cell.
Researchers at Oak Ridge National Laboratory have used on-board catalytic fuel reforming to increase the brake efficiency of a multicylinder, stoichiometric spark-ignited (SI) engine by increasing EGR dilution tolerance. Typically, you incur a fuel penalty when reforming fuel. —Jim Szybist, ORNL. Earlier post.]
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%
The event is the most recent example of a concerted effort to educate stakeholders and encourage the implementation of the SAE hydrogen fueling standards. Validated in the lab and proven in the field over the last decade, these standards provide the basis for hydrogen fueling for the first generation of infrastructure worldwide.
In the approximate six months between the first round in May of last year and the final round in November, engine performance was improved to levels comparable to gasoline engines, with a 24% increase in power output and 33% increase in torque, along with successful control over abnormal combustion. Carbon-neutral fuel. Earlier post.).
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.
Neste, the world’s leading producer of renewable diesel and sustainable aviation fuel (SAF), is beginning the final phase of testing of a renewable gasoline for drop-in commercial use in the existing fleet. The EU recently increased its target for the reduction of the greenhouse gas emissions by at least 55% by 2030.
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.
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. The demonstration project will integrate two core technologies.
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.
and HCS Group GmbH, a long-time customer of Gevo, have signed a project memorandum of understanding (MOU) to develop and to build a renewable hydrocarbon facility at HCS Group’s site located in Speyer, Germany, which would utilize Gevo’s low-carbon sustainable aviation fuel (SAF) technology: Alcohol-to-Jet Synthetic Paraffinic Kerosene.
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 fuelgas stations in the city of Nanjing. PetroChina operates gas stations throughout Jiangsu province. Ideanomics Inc.
Given a spark, gasoline will burn in any environment. By using liquid hydrogen as fuel, equipment that was previously necessary to produce compressed gaseous hydrogen such as compressors and pre-coolers for cooling hydrogen are no longer needed. Why bother liquefying gas for transport? It can also be turned into electricity.
These include fully-electric systems, as well as a gasoline-generated EV system (known as e-POWER at Nissan, earlier post ) in which a gasoline engine generates electrical power stored in a battery (series hybrid), which can then be delivered to all four wheels through a pair of high-output electric motors.
A research report submitted to the California Legislature this week by the University of California, Davis’ Institute of Transportation Studies proposes switching EVs to a mileage-based road-funding fee (road user charge, RUC) while continuing to have gasoline-powered cars pay gasoline taxes. on-board diagnostic [OBD] devices).
tonnes) registered in the European Union were fueled by diesel; the market share of gasoline in this segment was close to zero. of the EU bus market in 2019, with electrically-chargeable vehicles (ECV) making up 4.0% Across the entire European Union, only eight gasoline buses were sold in 2019. Last year, 85.0%
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.
jointly announced that, toward the achievement of carbon neutrality, they will take on the challenge of expanding fuel options through the use of internal combustion engines at the (three-hour) Super Taikyu Race in Okayama on 13-14 November. Participating in races using carbon-neutral fuels. Kawasaki Heavy Industries, Ltd.,
liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. The “Dynamic Force Engine” achieves one of the world’s best thermal efficiencies of 40% in gasoline powered vehicles according to Toyota.
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