Cleantech, also referred to as clean technology, and often used interchangeably with the term greentech, has emerged as an umbrella term encompassing the investment asset class, technology, and business sectors which include clean energy, environmental, a
Obama and McCain talk energy at Clinton Global Initiative, Vinod Khosla addresses Wall Street turmoil, clean-tech types needs to embrace policy wonks, and more.
The first Washington International Renewable Energy Conference (WIREC) finished up on Thursday. View a guided tour of the clean technologies on display.
Southern California Edison hits milestone on its plans to put solar panels on commercial rooftops. Also this week: River power, and GE bails on incandescent bulb.
There are all sorts of exciting clean-energy technologies, but policymakers, investors, and inventors need to sustain their work over many years for significant change to take hold.
Enhanced geothermal firm AltaRock digs ahead; a cheaper approach to concentrating photovoltaics; and details on Tesla's planned plug-in hybrid sedan.
The tech giant joins industry group that promotes products for home energy-monitoring and making the power grid more efficient during peak times with software.
Algae demonstration plant in Colorado, Pacific Ethanol's quarterly loss, a peek at a quiet clean-tech energy investor, using biomass from Hurricane Ike instead of coal, Fisker expands in Michigan, and the ethanol "blend wall."
Corn ethanol firms talk merger, clean-tech researcher predicts a shift to quality in investments, and Calgary researchers develop a CO2 "air scrubber."
Plus: carbon regulations, a hybrid battery for cars, Mitt Romney's case for auto bankruptcy, CEO lobby for carbon regulations, and Obama calls for quick action.