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NASA and DLR to conduct joint flight tests on alternative fuel emissions with focus on ice crystals

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The focus will be on alternative fuel emissions and the characterisation of ice crystals in condensation trails (contrails), using biofuel as an example. The planned research flights are intended to determine particle emissions and how they affect cloud formation through contrails, thus investigating their impact on the climate.

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NASA-led study finds 50 vol% biofuel blend reduces soot particle emissions during aircraft cruising; reduced climatic impact of contrails

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Contrail cirrus clouds have a similar impact on the climate than all aviation carbon dioxide emissions that have accumulated over more than 100 years in the atmosphere. The possibility of reducing the engine exhaust soot emissions by more than half using biofuels paves the way for reducing the climatic impact of contrails.

Climate 210
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NASA and DLR plan joint research flights to test alternative jet fuels

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Coming together within IFAR, the International Forum of Aviation Research, the US space agency NASA and Germany’s DLR are planning their first joint research flights to investigate alternative fuels. NASA is modifying a DC-8 to enable one of the four engines to burn alternative, synthetic fuels during flight tests.

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DNV GL paper suggests near-term success for LNG in shipping; alternative fuel mix to diversify over time

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Well-to-Propeller GHG emissions results for marine alternative fuels. DNV GL has released a position paper on the future alternative fuel 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.

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DLR wrapping up ECLIF in-flight study of emissions from alternative aviation fuels; potential for improved fuel design

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In a three-week series of flight tests lasting until 9 October 2015, the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) has been investigating how to reduce the impact of air transport on the climate by using alternative fuels. The Falcon, which is equipped with numerous instruments, follows behind.

Fuel 150
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NASA begins ACCESS flight research to study effects of biojet fuels on engine performance, emissions and contrails

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NASA researchers have begun a series of flights using the agency’s DC-8 flying laboratory to study the effects of alternate biofuel on engine performance, emissions and aircraft-generated contrails at altitude. A second phase of ACCESS flights is planned for 2014. —Ruben Del Rosario, manager of NASA’s Fixed Wing Project.

Emissions 225
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Calif. Energy Commission to award more than $44M for hydrogen refueling and alternative fuel vehicle projects

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In two packages of awards, the California Energy Commission approved more than $44 million to expand the hydrogen fueling infrastructure and increase the number of alter alternative fuel vehicles on the road in the state. Expanding hydrogen fueling stations in California. Alternative fuel vehicles awards.