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An independent study of ABB Dynafin from OSK-ShipTech A/S of a passenger vessel design equipped with different propulsion solutions has verified savings in propulsion energy consumption of up to 22% compared to conventional shaftline configuration. The new propulsion concept will complement the existing propulsion portfolio.
Although anaerobic digestion of organic material has been widely accepted as an important renewable energy technology, the production of Bio-SNG will required to move to higher levels of fossil fuel replacement, according to the report. Cost of carbon abated for transport applications. Click to enlarge. Feedstocks. Cost of carbon abated.
Australia’s CSIRO, together Australasian aviation partners, is leading a study to help develop a sustainable aviation fuels industry. Called the Sustainable Aviation Fuels Road Map, the study aims to accelerate the development and commercialization of a sustainable aviation fuels industry in Australia and New Zealand.
The resulting biofuel, n -butanol, is a carbon-neutral fuelalternative that can be used in blends with diesel or gasoline. —Arpita Bose, associate professor of biology in Arts & Sciences, and leader of the study. The form of the microbe they built was unable to grow when nitrogen gas was its only nitrogen source.
Researchers also examined whether CTL-conversion plants would use carbon capture and storage technology, which would lower greenhouse gas emissions but create an added cost. CTL conversion may only be viable in countries with less stringent climate policies or where low-carbon fuelalternatives are not available.
In a paper published in the journal Energy Policy , the team suggests that more effective policies would evaluate fuels at the refinery level, thereby creating incentives for GHG emissions to be lowered through competition as low GHG emission fuels have higher economic value to blenders. renewable fuel standards—and LCFSs.
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.
Emissions from ethanol transport in the CMU study applied to ethanol life cycle emissions from other studies. A new study by researchers at Carnegie Mellon University (CMU) concludes that the emissions associated with the transport of ethanol could negate its potential economic and environmental benefits compared to gasoline.
The US Department of Energy (DOE) released findings from a new project—Transportation Energy Futures (TEF)—that concludes the United States has the potential to eliminate petroleum use and greenhouse gas (GHG) emissions by more than 80% in the transportation sector by 2050. Source: DOE. Click to enlarge.
Qatar Airways, Qatar Science & Technology Park (QSTP) and Qatar Petroleum (QP) will jointly carry out engineering, economic analysis and move into the development of renewable biojet fuel that will also look into ways for production and supply, with the support of Airbus. All of these are known as xTL fuels. Earlier post.)
Argonne’s GREET model (Greenhouse gas Regulated Emissions and Energy Use in Transportation) is, for example, an inventory tool. Partly for these reasons, many LCA studies truncate impact assessment at the inventory characterization step, rather than completing normalization and weighting steps. total US emissions).
Both proposals have the additional advantage of generating funds which may be used to increase investments in low CI fuel technologies. Additionally, neither mechanism would compromise the greenhouse gas reduction goals set by Assembly Bill 32. —Lade and Lin.
In a vote on draft legislation , the European Parliament has backed a cap on the use of biofuels produced from starch-rich crops, sugars, oil and other crops grown on land and a speedy switchover to new biofuels from alternative sources such as seaweed and waste. of energy consumption in transport by 2020, MEPs said.
Associate Professor Akshat Tanksale from the Department of Chemical and Biological Engineering at Monash University and co-corresponding author, says OME (oxymethylene ethers) are among a number of fuelalternatives that are attracting increasing attention for their net-zero carbon emitting properties.
The report, Destination Sustainability: Reducing Greenhouse Gas Emissions from Freight Transportation in North America , looks at the continental freight transportation network, a key component of the transportation sector, which is the second-largest source of greenhouse gas (GHG) emissions in North America, after electricity generation.
An evaluation of the implementation possibilities of power-to-fuel (PTF) technologies by a team from Forschungszentrum Jülich GmbH in Germany recommends the PTF products DME, OME 3-5 and n-alkanes as suitable diesel alternatives for the transportation sector. A paper on the Jülich study is published in the journal Fuel.
The German government is co-funding the three-year project that will test the first cars to run on dimethyl ether (DME) ( earlier post ), commonly used as a non-toxic propellant in aerosol spray gas, and monooxymethylene ether (OME1). Like liquefied petroleum gas, DME must be stored in a slightly pressurized tank.
It is now widely accepted that anthropogenic CO 2 , due to its role as a greenhouse gas, is the major contributor to climate change. While fossil fuels will be used for as long as they can be easily and economically produced, it should also be clear that their amounts are finite and that they are increasingly depleted.
It encompasses 25 areas, from fuels and lubricants to engine and emissions characterizations, as well as economic studies, general rule-making support, and coordinating peer review meetings. —Patrick Merritt, principal scientist in the Engine, Emissions, and Vehicle Research Division.
A study published by the National Grid in the UK is suggesting that Bio-SNG (Synthetic Natural Gas) could achieve carbon dioxide (CO2) savings of up to 90 per cent compared with fossil fuelalternatives.
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