Here are the top cleantech stories we’re following today on the GreenBeat:

Solar and biofuels could be price competitive with traditional power sources within a decade, the Boston Consulting Group said, but wind power and electric cars will struggle with mass adoption, Reuters reports.

GM will start taking reservations today for its European electric hybrid, the Opel Ampera (pictured) — which is the European version of the Chevy Volt. The car is priced at about 43,000 euros, or about $59,000, but will likely cost a lot less for consumers thanks to European subsidies.

Toyota will produce an electric car to go on sale in 2012 that will have a range of 62 miles on a single charge, Reuters reports.

Car battery company A123 has landed a deal to supply lithium-ion cells to Shanghai car maker SAIC for use in an electric vehicle, Bloomberg reports. The companies have formed a joint venture called Advanced Traction Battery Systems and will produce an electric car in 2012 with a range of about 100 miles.

Water infrastructure monitoring startup TaKaDu has closed a second round of financing led by Emerald Technology Ventures. Existing investors Giza Venture Capital and Gemini Israel Funds participated in this round. The company previously raised $3.5 million in first-round financing last year, a spokesman said.