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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.
CoolPlanet BioFuels, a start-up developing technology to convert low-grade biomass into high-grade fuels including gasoline, and carbon that can be sequestered ( earlier post ), claims it has achieved a conversion yield of 4,000 gallons gasoline/acre biomass in pilot testing using giant miscanthus, an advanced bioenergy crop.
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.
In August, a groundbreaking ceremony was held in Ovadan-Depe near the capital of Ashgabad in Turkmenistan to launch the construction of a major plant focused on the conversion of natural gas into synthetic gasoline. Synthetic gasoline is a competitive alternative to refinery gasoline and new energy carriers.
Program fleets significantly save on fuel costs and reduce greenhouse gas emissions by running vehicles on American-made propane autogas. Propane autogas, also referred to as liquefied petroleum gas (LPG), is the most widely used alternative fuel in the world, with more than 17 million autogas vehicles on the road globally.
One-pot process for conversion of cellulose to hexane, a gasoline component. Researchers at Tohoku University in Japan have developed a one-pot process to convert cellulose to n-hexane in the presence of hydrogen gas. According to the US Environmental Protection Agency (EPA), unleaded gasoline contains about 11.6%
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.
A team at the University of Idaho has demonstrated that glycerol, a byproduct from biodiesel production, could be used as a substrate for producing drop-in gasoline-range biofuel. The technology of converting methanol into gasoline was discovered and commercialized more than 3 decades ago. Tropsch synthesis (FTS).
MIT and the IEA both have newly released reports exploring the potential for and impact of a major expansion in global usage of natural gas, given the current re-evaluation of global supplies. The IEA takes a more conventional approach, assessing the impact on the penetration of vehicles burning gas as their fuel. Earlier post.)
Ethanol conversion to hydrocarbons as a function of temp. Fractional collection of the fuel product allows for the different fractions to be used as blendstock for gasoline, diesel, or jet fuel. The technology will result in higher yields to gasoline, jet fuel and diesel products and is expected to prolong the life of vehicles.
An analysis by a team in Bangladesh found large air quality and associated health benefits accruing to the residents of Dhaka (the capital of Bangladesh) as a result of the rapid conversion of the motor vehicle fleet to CNG. However, CNG conversion was apparently detrimental from a climate change perspective, as CH 4 emissions increased.
Topchiev Institute for Petrochemical Synthesis ( TIPS ) on marketing a new technology developed by TIPS to convert flared gases into hydrocarbon fuels such as gasoline. This method of conversion is much more effective and cheaper than the traditional method. Flaring gas is a growing problem worldwide. —Kolesnikova et al.
In a paper presented at the 255 th National Meeting of the ACS, the team described an innovative integrated process to convert renewable and recycled carbon into High Octane Low Carbon Gasoline blends. Catalytic conversion of DME to High Octane Low Carbon Gasoline (HOLCG) hydrocarbon blends. Marie-Rose, D.
BASF researchers have further developed the three-way conversion catalyst and optimized its cleaning effect. The new four-way conversion catalyst, FWC, is a technology for vehicles with gasoline engines. The catalyst removes the gaseous pollutants and now also solids such as particulates from the exhaust gas flow.
Environmental impacts of gasoline and E85. If greenhouse gas (GHG) emissions from indirect land use (iLUC) changes are included in the analysis, the differences increase to between 16% and 118% (33% on average). Process flow diagrams for E85 and gasoline. Error bar shows regional variations for E85. GW = global warming; Eut.
Well-to-wheels results for greenhouse gas emissions in CO 2 e for six pathways. Advances in technology and the resulting improved productivity in corn and sugarcane farming and ethanol conversion, together with biofuel policies, have contributed to the significantly expanded production of both types of ethanol in the past 20 years.
Tenaska, one of the largest independent energy companies in North America, is launching a marketing and development company in response to the growing use of liquefied natural gas (LNG) and compressed natural gas (CNG), together NG fuels, in the transportation sector and among industries using high-horsepower engines.
Italy, the European leader in natural gas vehicle (NGV) adoption, has seen a 16% increase in its natural gas vehicle parc from 676,850 at the end of 2009 to 785,000 vehicles by early 2012. NGVA Europe. The availability of more new car models with ex-factory CNG options is pushing the growth of the NGV market share further.
Cost of the new engine relative to gasoline baseline. So far, Ruth noted, the new engine has achieved target engine-out emissions (EOE), performance and fuel economy; aftertreatment catalyst performance has met or exceeded the targeted conversion rates, enabling an increased allowance on engine out HC. Earlier post.). Source: Cummins.
Gas chromatography comparison of Conoco fuel and a Conoco-CoolPlanet blend. Cool Planet’s biogasoline blendstock is 100% compatible with pump gasoline. Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment.
Researchers from The Scripps Research Institute (TSRI) and Brigham Young University have devised a new and more efficient method to convert natural gas into liquid products at much lower temperatures than conventional methods. At the core of technologies for converting the alkanes in natural gas is the chemistry of the carbon-hydrogen bond.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8
The result is a set of usable conversion factors for distance-based CO 2 emissions among the different driving cycles. Cycle deviations of CO 2 emissions averaged over all gasoline and diesel technologies resulting from basic single regression approach with zero intercept. Gasoline vehicles emit strongest under the WLTC schedule.
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. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency.
ZeoGas LLC ( ZeoGas ), a developer of natural gas-to-gasoline projects, has entered into a license agreement to use ExxonMobil Research and Engineering Company’s (ExxonMobil) methanol-to-gasoline (MTG) technology in the development of a natural gas-to-gasoline plant on the US Gulf Coast. —Timothy D.
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. Saunders, M.
Qingjie Ge at the Dalian Institute of Chemical Physics in China has developed an efficient, stable, and multifunctional Na-Fe 3 O 4 /HZSM-5 catalyst for the direct production of gasoline-range hydrocarbons from CO 2 hydrogenation. The gasoline fractions are mainly isoparaffins and aromatics, thus favoring the octane number.
has commissioned its up to 100,000 gallon-per-year natural gas-to-gasoline pre-commercial demonstration plant at its Hillsborough facility. In addition to the gasoline product, the STG+ process can also produce jet fuel, diesel and high-value chemicals by changing the catalysts and operating conditions. Earlier post.).
STG+ technology converts syngas into drop-in high-octane gasoline and jet fuel with a conversion efficiency of ~35% by mass of syngas into liquid transportation fuels (the highest documented conversion efficiency in the industry) or greater than 70% by mass of natural gas. Primus Green Energy Inc.,
Solid oxide electrolysis cell (SOEC) technology is attractive because of unrivaled conversion efficiencies—a result of favorable thermodynamics and kinetics at higher operating temperatures. The facility is expected to be operational by 2023. —Hauch et al.
Researchers at Stony Brook University, with colleagues from The City College of New Tyork, Alloy Surfaces and Innoveering, explored the catalytic partial oxidation (CPOX) reforming of three potential transportation-relevant fuels—gasoline, diesel, and natural gas—for use in low-temperature combustion (LTC) engines.
This enables the production of gasoline, diesel, and jet range fuels and other co-products such as heating oil and chemicals. All of the processes listed above require a hydrogenation step that utilizes either hydrogen gas or a surrogate hydrogen source. where biomass is liquefied with near-super critical water); and.
Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. liter gasoline direct injection engine. The engine conversion. Chadwell et al. Click to enlarge. The base 2.0L Chadwell et al.
PNNL’s thermochemical conversion device is installed in front of a concentrating solar power dish. A new concentrating solar power system developed by Pacific Northwest National Laboratory (PNNL) can reduce the fuel consumption of a modified natural-gas combined-cycle (NGCC) power plant by about 20%. Photo: PNNL. Click to enlarge.
Pilot plant integrating Carbona gasification with TIGAS syngas-to-gasoline process. In a recently completed project, Gas Technology Institute (GTI) worked with Haldor Topsøe, Inc. on an integrated biorefinery to make renewable “drop-in” gasoline. Click to enlarge. Earlier post.). Earlier post.). Click to enlarge.
Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Source: Alvarez et al. Click to enlarge.
I just saw a featured headline on Google yesterday: “Is EV Charging Cheaper Than Gasoline? ” Right away, I thought, “ugh… ” I conducted cost of ownership analyses and comparisons between gas cars and electric cars for years, and anyone who has done even one. Here’s What the Math and Experts Say.”
Cool Planet Energy Systems projects that using its patented mechanical process and novel scaling approach ( earlier post ), it will be able to produce high-octane carbon-negative (with the use of its bio-char byproduct) renewable gasoline at a cost of $1.50 The control car used 100% regular gasoline. earlier post ).
One program, Reducing Emissions using Methanotrophic Organisms for Transportation Energy (REMOTE, earlier post ), provides $34 million to 15 projects to find advanced biocatalyst technologies that can convert natural gas to liquid fuel for transportation. process intensification approaches for biological methane conversion.
The University of Bath and SAIC Motor UK Technical Centre are collaborating on a project to identify the most efficient conditions for the optimum performance of gasoline particulate filters (GPFs), to help minimize vehicle impact on the environment.
The bio-naphtha can be used as a feedstock for producing bioplastics, for example, and as a biocomponent for gasoline. Conversely, moderate temperatures and catalysts with mild acid sites are needed if middle distillates are the desired product. The yield of green gasoline can also be. —Sotelo-Boyás et al.
Conversely, a country is a net exporter if it exports more of a commodity than it imports. Since 2010, the United States has exported more refined petroleum products, including distillate fuel oil, hydrocarbon gas liquids, and motor gasoline, among others, than it has imported. million b/d. million b/d in 2022 and 3.8
Fractional collection of the fuel product allows for the different fractions to be used as blend-stock for gasoline, diesel, or jet fuel. The resulting liquid can be blended at various concentrations into gasoline, diesel and jet fuels without negatively affecting engine performance. the limitation on ethanol content in gasoline].
This synthesis gas is mainly composed of carbon monoxide and hydrogen. Downstream hot gas cleaning removes impurities such as particulate matter, chlorine and nitrogen compounds. In the synthesis stage, this synthetic gas is specifically composed to high-quality fuels.
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