Scientists at Stanford University said they have developed a high-performance aluminum-ion battery that could replace the alkaline and lithium-ion batteries that are used to power devices today.
President Barack Obama is setting a goal of raising $2 billion from the private sector for investments in clean energy.
For years it was an eyesore in Richland Township, rusting greenhouses on the site of the former Pittsburgh Cut Flowers.
As the snow flew back in February, there was little left to remember the once 10 million roses a year glory days of the Pittsburgh Cut Flower Nursery.
Last year, Doug Caldwell paid $15,000 for a wind turbine to supply electrical power to his home, but today, all he has to show for it is a concrete pad and cement cylinder.