US ranks 17 as clean tech producer, China is No. 2

Denmark earns the biggest share of its national revenue from producing windmills and other clean technologies, the United States is rapidly expanding its clean-tech sector, but no country can match China's pace of growth, ...

Earth's rarest metals ranked in supply risk list

(PhysOrg.com) -- A new list published by the British Geological Survey, or BGS, ranks 52 of Earth's elements based on their risk of supply disruption. Andrew Bloodworth, from BGS, points out that the likelihood of the world ...

New battery technology for electric vehicles

Scientists at the Canadian Light Source are on the forefront of battery technology using cheaper materials with higher energy and better recharging rates that make them ideal for electric vehicles (EVs).

Wind energy costs approach nonrenewable levels

Wind energy and other renewables can now supply electricity at highly cost effective levels—and it's happened so rapidly that public perception is yet to catch up

Self-cooling solar cells boost power, last longer

Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun.

Hydroelectric generator can be carried like a backpack

Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on the megawatt scale, ...

The fluorescent future of solar cells

(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding a fluorescent ...

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