US clean energy sees massive growth in 2008

Despite growing economic uncertainty over the last year, the three major clean-energy sectors - solar photovoltaics, wind power,and biofuels - kept up a blistering growth rate, increasing 53 per cent from $75.8bn in 2007 to $115.9bn in revenues in 2008, according to the Clean Energy Trends 2009 report. By 2018, the report forecasts that these three sectors will have revenues of $325.1bn.