Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when running on biodiesel ...
Energy & Green Tech
Jan 25, 2010
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Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is already close to ...
Engineering
Dec 7, 2009
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A Japanese zero-emission "hybrid" scooter to be released next year runs 10 times as economically as a petrol engine bike and can be assisted by human pedal power, its maker said Thursday.
Energy & Green Tech
Oct 29, 2009
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(PhysOrg.com) -- Anyone who has ever stepped barefoot onto blacktop pavement on a hot sunny day knows the phenomenon very well: Black surfaces absorb the sun's heat very efficiently, producing a toe-scorching surface. In ...
Engineering
Oct 8, 2009
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A consortium brought together by low carbon experts at the University of East Anglia (UEA) is today launching the first bus in the UK to run on clean, biomethane gas.
Energy & Green Tech
Sep 8, 2009
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(PhysOrg.com) -- Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties of both fuel sources ...
Energy & Green Tech
Aug 3, 2009
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(PhysOrg.com) -- A well-established physical law describes the transfer of heat between two objects, but some physicists have long predicted that the law should break down when the objects are very close together. Scientists ...
General Physics
Jul 29, 2009
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(PhysOrg.com) -- From Leonardo da Vinci to the Greek tragedy of Icarus, birds have emboldened scientific minds to master flight. Now, Stanford researchers can be added to the list of ornithologically inspired innovators. ...
Engineering
Jun 1, 2009
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(PhysOrg.com) -- This month an ESA team is preparing to test the performance of the smallest yet most precisely controllable engine ever built for space, sensitive enough to counteract the force of incoming sunshine.
Space Exploration
Mar 10, 2009
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Four international bodies on Wednesday called on governments and car makers to halve global vehicle emissions by 2050 as the auto industry insisted it was serious about producing greener vehicles.
Energy & Green Tech
Mar 4, 2009
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