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Audi debuts models with new plug-in hybrid technology and innovates with cars that run on synthetic natural gas.

Opponents say new DOE chief nominee's position may divert resources from clean energy.

Costs are down and opportunities abound. So where’s the boom?

Car makers go solar; DOE, EPA chief nominees named; new tariffs for Chinese solar; shareholders push clean energy policies at major U.S. corporations.

Canada's $2 billion SD Tech Fund invested in twenty-three cleantech start-ups, with the goal of making Canada a global cleantech powerhouse.

Private equity interest in India's energy sector has shifted toward clean energy projects from conventional power as the country faces its worst fuel shortages.

The productivity of the U.S. economy is more tied to energy efficiency upgrades than an increase in energy supply, according to a new ACEEE analysis, which analyzed the $574 billion spent on such upgrades in 2010, an 80% increase over the amount spent in 2004. View Article

Clean energy investors hope master limited partnerships may alleviate the project financing bottleneck.

Top news stories in clean energy this week.

If you still think clean energy investing is dead, your data is old, said BNEF’s Ethan Zindler and DBL Investor’s Nancy Pfund, in recent conference remarks, that revealed major...