News tagged with fuel efficiency
Mechanical motion rectifier leads to better energy harvesting
(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...
Rational design can improve hydrogen fuel cell efficiency
(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...
Artificial light-harvesting method achieves 100% energy transfer efficiency
(PhysOrg.com) -- In an attempt to mimic the photosynthetic systems found in plants and some bacteria, scientists have taken a step toward developing an artificial light-harvesting system (LHS) that meets one ...
Silicon nanohole solar cells aim to make photovoltaics cost-competitive
(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...
The case of the missing gas mileage
Contrary to common perception, the major automakers have produced large increases in fuel efficiency through better technology in recent decades. Theres just one catch: All those advances have barely ...
Technology / Energy & Green Tech
Jan 04, 2012 |
4.1 / 5 (22) |
63
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How to choose a catalyst: Predicting which materials will perform best in fuel cells and metal air batteries
MIT researchers have found a new way to predict which materials will perform best as catalysts for oxygen reduction, a core process in metal air batteries and fuel cells, opening up the possibility of faster ...
Jun 14, 2011 |
5 / 5 (3) |
1
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Energy harvesters transform waste into electricity
Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the Department of Energy's Oak Ridge National Laboratory.
Technology / Energy & Green Tech
May 16, 2011 |
5 / 5 (6) |
22
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Split-cycle engine now more efficient than traditional combustion engine (w/ Video)
(PhysOrg.com) -- Split-cycle engines have been around for some time but until now have never matched the fuel efficiency of traditional internal combustion engines. That is about to change, with the latest ...
Discovery paves way for development of efficient, inexpensive plastic solar cells
Physicists at Rutgers University have discovered new properties in a material that could result in efficient and inexpensive plastic solar cells for pollution-free electricity production.
Nanotechnology / Nanomaterials
Oct 10, 2010 |
4.7 / 5 (20) |
6
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Fuel-injection System That Delivers 64 Miles Per Gallon
(PhysOrg.com) -- The best hybrid cars of today can only deliver about 48 miles per gallon. By using this newly developed fuel injection system a test vehicle was measured at achieving 64 miles per gallon in ...
Hydrogen Storage Gets New Hope from Rechargeable 'Chemical Fuel Tank'
(PhysOrg.com) -- A new method for "recycling" hydrogen-containing fuel materials could open the door to economically viable hydrogen-based vehicles.
Sep 01, 2009 |
3.9 / 5 (18) |
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Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines
(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 ...
Technology / Energy & Green Tech
Aug 03, 2009 |
4.3 / 5 (27) |
6
Breakthrough made in energy efficiency, use of waste heat
Engineers at Oregon State University have made a major new advance in taking waste heat and using it to run a cooling system - a technology that can improve the energy efficiency of diesel engines, and perhaps some day will ...
Apr 01, 2009 |
4.4 / 5 (12) |
4
Study shows nanoparticles used as additives in diesel fuels can travel from lungs to liver
Recent studies conducted at Marshall University have demonstrated that nanoparticles of cerium oxide -- common diesel fuel additives used to increase the fuel efficiency of automobile engines -- can travel from the lungs ...
Nanotechnology / Bio & Medicine
Nov 17, 2011 |
5 / 5 (3) |
0
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Increasing fuel efficiency with a smartphone
In July, at the Association for Computing Machinerys MobiSys conference, researchers from MIT and Princeton University took the best-paper award for a system that uses a network of smartphones mounted ...
Aug 25, 2011 |
3.2 / 5 (5) |
4
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