Despite oil prices that hover around $100 a barrel, it may take at least 10 or more years of intensive research to reduce the cost of solar energy to levels competitive with petroleum, according to a leading expert on the topic. Researchers will...
You can find out what’s going on in recycling asphalt as well as get the latest scoop on running sustainable building projects at the upcoming Conexpo-Con/Agg 2008 and the colocated IFPE International Exposition for
Researchers at Sandia National Laboratory have built a device, a counterrotating- ring receiver reactor recuperator, or CR5 for short, that uses sunlight to break a carbon-oxygen bond in CO2 to form CO and oxygen.
A company building relatively low-cost, steel-tube towers for wind turbines was able to lower the price of construction by 30%, but was having difficulty with large, transient wind loads shaking the structure.