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If the US military increases its use of alternative jet and naval fuels that can be produced from coal or various renewable resources, including seed oils, waste oils and algae, there will be no direct benefit to the nation’s armed forces, according to a new RAND Corporation study.
New research led by Mohammad Masnadi, assistant professor of chemical and petroleum engineering at the University of Pittsburgh Swanson School of Engineering, offers a closer look at the relationship between decreasing demand for oil and a resilient, varied oil market—and the carbon footprint associated with both.
A team from Iowa State University and ConocoPhillips, Biofuels R&D performed a techno-economic study examining the fast pyrolysis of corn stover to bio-oil with subsequent upgrading of the bio-oil to naphtha and diesel range fuels. Earlier post.).
The COVID-19 pandemic has significantly affected both consumer and commercial transportation, but global oil demand will probably continue to grow through 2030, according to a new study. In three of the four scenarios, global oil demand continued to grow through 2030. Lines represent global oil demand by study scenario.
The study considers five different powertrains (internal combustion engine, hybrid-electric, plug-in hybrid-electric, fuel-cell-electric, and battery-electric) and 12 cost components (purchase cost, depreciation, financing, fuel, insurance, maintenance, repair, taxes, registration fees, tolls and parking, payload capacity and labor).
Results of a survey released by Maritz Research demonstrates that while US consumer awareness about alternativefuel vehicles continues to grow, only about one in five consumers state they are “very familiar” with any alternative-fuel technologies.
The study by a team at the Swiss Federal Institute of Technology Zurich, reported in the Journal of Power Sources , is novel in three respects, the researchers said. First, it considers the performance of both mature and novel hydrogen production processes, multiple electricity generation pathways and several alternative drivetrains.
Confocal image of the algae Chlamydomonas showing the accumulation of oil droplets (golden dots). Although interest in microalgal oils as potential feedstocks for renewable fuels is high, the understanding of the regulatory mechanisms controlling oil biosynthesis and storage in microalgae is rather limited at this point.
Well-to-Propeller GHG emissions results for marine alternativefuels. DNV GL has released a position paper on the future alternativefuel mix for global shipping. The global merchant fleet currently consumes around 330 million tonnes of fuel annually, 80-85 per cent of which is residual fuel with high sulfur content.
A new study by the International Council on Clean Transportation (ICCT) estimates heavy fueloil (HFO) use, HFO carriage, the use and carriage of other fuels, black carbon (BC) emissions, and emissions of other air and climate pollutants for the year 2015, with projections to 2020 and 2025. Click to enlarge.
One of the many charts available from the maps and data library on the AFDC site, this shows the number of light-duty alternativefuel vehicles (AFVs), hybrid electric vehicles (HEVs), and diesel models offered by vehicle manufacturers from 1991 through 2012. Click to enlarge.
In contrast to arguments that peak conventional oil production is imminent due to physical resource scarcity, a team from Stanford University and UC Santa Cruz has examined the alternative possibility of reduced oil use due to improved efficiency and oil substitution. 2010, to above 140 $/bbl in constant 2010 dollars).
An analysis of the US refining sector, based on linear programming (LP) modeling, finds that refining plausibly high volumes of Canadian oil sands crudes in US refineries in 2025 would lead to a modest increase in refinery CO 2 emissions (ranging between 5.4% The study published in ES&T was funded by Chevron Energy Technology Company.
Change in primary oil demand by sector and region in the central New Policies Scenario, 2010-2035. Under the WEO 2011 central scenario, oil demand rises from 87 million barrels per day (mb/d) in 2010 to 99 mb/d in 2035, with all the net growth coming from the transport sector in emerging economies. Click to enlarge. billion in 2035.
The five different fuel groups were those derived: from conventional petroleum; from unconventional petroleum; synthetically from natural gas, coal, or combinations of coal and biomass via the FT process; renewable oils; and alcohols. Certain HRJ and FT fuels are able to reduce the GHG emissions from aviation. Click to enlarge.
A wide range of technologies can cut carbon emissions from buses and provide a short-term payback at current fuel prices and subsidy levels, according to a new report prepared for the UK’s Low Carbon Vehicle Partnership (LowCVP) by Ricardo. The study confirmed a number of technologies (e.g.
Policies to entice consumers away from fossil-fuel powered vehicles and normalize low carbon, alternative-fuelalternatives, such as electric vehicles, are vital if the world is to significantly reduce transport sector carbon pure-emissions, according to a new study. —David McCollum.
A paper on their study appears in the journal Energy Policy. This study implements three main research contents. (1) It is further found that measures for promoting public transport would have the greatest potential for energy conservation and emission reduction, followed by improving vehicle fuel efficiency.
They found that many alternativefuels consume larger quantities of water on a per km basis than traditional petroleum and natural gas pathways. Life cycle water consumption was computed for each fuel pathway using the 2014 version of GREET.net. Click to enlarge.
A team at the University of Calgary (Canada) has compared the energy intensities and lifecycle GHG emissions of unconventional oils (oil sands and oil shale) alongside shale gas, coal, lignite, wood and conventional oil and gas. This is not the same as crude oil occurring naturally in shales, as in the Bakken.
A research consortium led by Ford Research and Innovation Center Aachen is currently investigating the technical conditions under which diesel vehicles can run on dimethyl ether (DME) as an alternativefuel. Hardware-in-the-loop test bench for the qualification of the liquefied gas dimethyl ether as a fuel.
The Sandia study examines the set of circumstances under which the RFS2 mandate might be satisfied. The researchers use a system dynamics approach to model the competition between powertrains and fuels in the marketplace. Among their findings were: RFS2 is satisfied at extreme oil prices (at least $215/barrel).
A paper on their study was published online 3 December in the ACS journal Energy & Fuels. Indeed, methanol was a past US alternativefuel of favor; in 1989, President George H. Bush called for one million cars in the most polluted areas in the US to be running on methanol, ethanol or natural gas by 1997.
The National Low Carbon Fuel Standard (LCFS) Project has released two major reports that synthesize its findings from the past several years of work: a Technical Analysis Report (TAR) and Policy Design Recommendations. We did not shy away from controversy. We are not advocates.
Localized differences in electrical generation, crude oil sources, biomass production practices, refinery efficiencies, and other parameters may cause the fuel carbon intensity (FCI) of specific fuel pathways to differ significantly from the national average. renewable fuel standards—and LCFSs. —Boies et al.
Myrtenal can be found in a wide variety of common spices including cumin, rosemary and coriander as well as hyssop, lavender, and the essential oils of orange, lemon, peppermint, juniper, ginger and parsley. Biology provides a diverse array of structural motifs that can be leveraged for the synthesis of alternativefuels.
A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel. Credit: ACS, Stratton et al.
Airbus has joined a consortium that includes Virgin Australia, Renewable Oil Corporation, the Future Farm Industries CRC, Canadian biofuels company Dynamotive Energy Systems Corporation and GE to study a new pathway for the production of sustainable aviation fuels from mallee trees using fast pyrolysis and subsequent bio-oil upgrading.
Increased availability of low CO 2 sources of electricity and hydrogen could counter-intuitively delay, rather than accelerate, a large-scale transition to an electric and/or hydrogen vehicle fleet, according to a new study by researchers from Ford Motor Company and Chalmers University of Technology in Sweden. Wallington et al. Resources.
A 50:50 by volume blend of conventional Jet A aviation fuel and an aviation biofuel made from Camelina reduces soot particle number and mass emissions from the aircraft by 50 to 70% compared to conventional fuel, YYYY according to a new study published in the scientific journal Nature. Moore, Kenneth L.
The study focused on a portfolio of powertrains: BEVs, FCEVs, PHEVs and ICEs, taking into account significant advances in ICE technology between now and 2020. Over the next 40 years, the study found, no single powertrain satisfies all key criteria for economics, performance and the environment. Click to enlarge.
Comparison of the percent differential for WTW (well-to-wheel) GHGs from gasoline produced from WCSB oil sands using different production processes relative to gasoline produced from reference crudes. The NETL study serves as a key input for analyses conducted by EPA and DOE. Source: FEIS, Appendix V. Click to enlarge.
The goal of the project is to demonstrate that jatropha can produce significant quantities of oil for conversion to biodiesel and to develop new varieties of the plant that have high yields, can withstand frost, and grow in temperate climates such as the United States. Two jatropha farms will be established in India: a 16-hectare (39.5
It provides a flexible platform for a whole series of designs, which can be adapted to various customers’ requirements as a result of several optional feature studies. The platform design is “future-proof”, taking into consideration possibilities to use alternativefuels to reduce carbon footprint or even zero-emission power production.
There is significant potential for the expansion of bio-based automotive parts and components manufacturing in the US Great Lakes region, according to a newly-released study conducted by the Center for Automotive Research (CAR), a nonprofit research organization based in Ann Arbor, Michigan. Commercialization.
Projected range of impact of demand, fuel efficiency improvements, and alternativefuel-vehicle systems on light-duty fleet GHG emissions. For light-duty CNG, leveraging liquid ICE fuel economy technology. Source: NPC. Click to enlarge. Transportation in the United States could. Transportation in the United States could.
The price disparity between crude oil and other resources, coupled with the emergence of cheap and abundant shale gas, especially in the United States, is opening up opportunities to produce cheaper gasoline, according to a new report from Lux Research. Among their findings: Methanol-to-gasoline is the cheapest option.
From a cost perspective, the potential of alternativefuels is of limited, if any value, according to the lead report written by James Bartis, a RAND senior policy researcher. Pending a major technical breakthrough, renewable jet and marine fuels will continue to be far more expensive than petroleum-based fuels, Bartis said.
Bunkering is the process of supplying a ship with fuel; bunkering vessels supply ships with fuel in ports or during the navigation. In 2015, stricter requirements on fueloil sulphur content will enter into force in the ECAs. From 2015 the maximum allowable sulfur content in fueloils is 0.10 % in the ECAs.
volume and GHG-based fuel standards) to achieve reductions in greenhouse gas emissions from on-road transportation need to evolve towards energy-intensity-based fuel standards (e.g., MJ/km) and complementary regulation of fuel carbon intensity (e.g., Vehicle regulations (e.g., —Creutzig et al.
The fuel will be trialed on Rio Tinto’s RTM Tasman vessel on a mix of Transatlantic and Atlantic-Pacific routes, in one of the longest-duration marine biofuel trials to date. The results of the trial will help Rio Tinto study ways to reduce its carbon emissions from its marine fleet and inform its future biofuel strategy.
Resources will include information on best practices in vehicle deployment and case studies from early-adopter companies. The content will be available in the AlternativeFuel section on the FleetAnswers website. We share our knowledge and experience in this case study to help pave the way.
A team at the Korea Institute of Energy Research has developed a catalytic process for the production of jet-range oxygen-free hydrocarbons from crude Jatropha oil, using hydrogen produced in-situ from formic acid. For the study, the team used CJO, a Pd/C catalyst, and a co-reactant: either distilled water or a 30% formic acid solution.
A core group of 15 commercial airlines has signed non-binding memoranda of understanding (MOUs) for negotiating purchases from two different producers of synthetic jet fuel: AltAir Fuels LLC and RenTech Inc. These alternativefuels will be more environmentally friendly, on a life cycle basis, than today’s petroleum-based jet fuels.
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