California approved aggressive new rules on Friday to reduce greenhouse gas emissions by requiring automakers to put many more electric and hybrid vehicles on the Golden State's roads by 2025.
Solar start-up Solyndra LLC, succumbing to pressure from lower-cost Chinese rivals, said it has suspended operations and plans to file for bankruptcy, 15 months after President Barack Obama visited
The United States was a net exporter of solar energy products last year, thanks to strong demand from China, Germany and Japan for U.S.-made polysilicon and capital equipment used to make solar pan
BP Solar is closing its U.S. manufacturing facility and will refocus is business on developing solar power projects rather than making panels for them, a company spokesman said on Thursday.
The Frederick, Maryland, facility had not been producing solar modules since last year, yet 80 employees remained at the office.
Water scarcity means big growth for companies that purify, transport and distribute the world's most essential resource, but a global recession that has halted new projects and put off price increases means water investors will have to wait for the boom years.
Water, cheap and indispensable, has long been prized as a stable investment in both good and bad times.
Seeking to breathe life into the bleak fund-raising environment for clean technology companies, a new private exchange wants to make it easier to invest in promising biofuels, solar or other green start-ups.
U.S. oil refiner Valero Energy Corp will invest up to $50 million in a plant that will produce ethanol from wood, a major mainstream backing for the emerging technology. The investment in venture capital-backed Mascoma Corp includes a deal for Valero to purchase the facility's 40 million gallons of cellulosic ethanol, the companies said on Thursday in a joint statement.
Solar company LDK Solar Co Ltd said on Tuesday it is partnering with the Chinese city of Yancheng to build up to 500 megawatts of photovoltaic solar power projects over the next five years, sending its shares up 6.2 percent in extended trading.
