Browse News Stories
491 to 500 of 888 stories
view headlines only
-
Alternative Fuels
Energy and the Environment
Renewable Energy
Energy Technology
Fuel Cells
Environmental Science
Promising Biofuel Made From Commercial Yeasts Upgraded With A New Enzyme
February 24, 2009 Scientist have discovered a new enzyme which teaches yeast cells to ferment xylose into ethanol. Xylose is an unused waste sugar in the cellulosic ethanol production ... > full story -
Patience Pays Off With Methanol For Uranium Bioremediation
February 23, 2009 Uranium contamination is a devastating legacy of nuclear weapon and energy development, but new testing has shown that adding organic molecules can positively affect the bioremediation of this ... > full story -
Engineering Students Build And Design A Fuel-Stingy Vehicle
February 18, 2009 With its light body made of Kevlar, sleek aerodynamic design and three Olympic-racing wheelchair tires, it looks like something that escaped from the ... > full story -
Alternative Fuels
Organic Chemistry
Renewable Energy
Energy and the Environment
Fuel Cells
Global Warming
Chemists Offer New Hydrogen Purification Method
February 15, 2009 One of the hydrogen economy's roadblocks to success is the hydrogen itself. Hydrogen needs to be purified before it can be used as fuel for fuel cells, but current methods are not very clean or ... > full story -
Hydrogen Fuel From Woodchips And Other Non-Food Sources
February 11, 2009 Tomorrow's fuel-cell vehicles may be powered by enzymes that consume cellulose from woodchips or grass and exhale hydrogen. Researchers have produced hydrogen gas pure enough to power a fuel cell by ... > full story -
Nanotechnology: Lithium-Ion Batteries Have Better Performance With New Electrode Material
February 9, 2009 Researchers have created hybrid carbon nanotube metal oxide arrays as electrode material that may improve the performance of lithium-ion ... > full story -
Electricity From Straw And Other Waste Materials
February 3, 2009 Researchers have developed the first-ever biogas plant to run purely on waste instead of edible raw materials -- transforming waste into valuable material. The plant generates 30 percent more biogas ... > full story -
Energy and the Environment
Renewable Energy
Environmental Science
Environmental Issues
Health Policy
Air Quality
Cellulosic Ethanol May Benefit Human Health And Help Slow Climate Change
February 2, 2009 Filling our fuel tanks with cellulosic ethanol instead of gasoline or corn-based ethanol may be even better for our health and the environment than previously recognized, according to new ... > full story -
Saving Gas: Pneumatic Hybrid Engine Is Much Cheaper Than Electric Hybrids And Almost As Economical
January 31, 2009 A pneumatic hybrid engine could be used to power vehicles in the future. The benefit of this technology: it is much cheaper than today's electric hybrids and almost just as ... > full story -
Alternative Jet Fuels Put To The Test
January 31, 2009 NASA and 11 other research groups are testing two non-petroleum-based jet fuels in the pursuit of alternative fuels that can power commercial jets and address rising oil ... > full story
Search ScienceDaily
Number of stories in archives: 137,088

