Talk:Oil prices drive new investment in clean technology

Investment in clean technology

There seems to be some confusion over here. Not all renewable energy is clean. Ethanol is probably correctly categorized as renewable energy but does not qualify for the 'clean' category. What happened to solar power? We don’t hear much about any new developments in this arena nowadays.

• Unknown. "The gas before gasoline" — CrossProfit News Bulletin, May 5, 2006