Adopting efficiency measures could allow the world to keep temperatures from rising 3 degrees Celsius, buying time to seal a climate-protection deal, says the IEA.

There is a high likelihood that the Production Tax Credit will be renewed for another 12 months before expiring at the end of the year, according to the AWEA.

Legislative moves to promote renewable energy sources, curb greenhouse gas emissions, and increase energy efficiency will go on.

The International Energy Agency (IEA) says a shift is global oil production could transform energy supplies, US politics, and international diplomacy.

With cleantech venture investing shifting to smaller, more capital- efficient deals, the sector saw a big drop in terms of dollars invested in Q3: only $791m flowed in during that period, versus $991m in Q2, according to the MoneyTree report. The number of cleantech deals, 58, was virtually unchanged.

The global biofuel enzymes market, currently estimated at $1 trillion, will grow at a CAGR of 7.6% over five-years, driven by growing consumption of biodiesel and increased legislation for the blending of biofuel, says Transparency Market Research.

President Obama will enact tougher regulation for energy companies during his next term.

Energy storage company LightSail Energy's new funding was led by Peter Thiel, co-founder of PayPal, and included Bill Gates and Khosla Ventures.

President Barack Obama has championed renewable energy sources, which have generated jobs, but have fallen short of their goals.

In a new report, the American Energy Alliance argues that wind industry is well-established and that the production tax credit, enacted in 1992, is not needed to increase wind production and that it distorts markets, leading to billions in hidden costs for electricity consumers.