As a market, "cleantech" is large and growing. CleanEdge Inc. estimates
company revenue in the biofuel, wind, solar-photovoltaic and fuel cell
markets to top Rs.1,071,461.50 crore ($250 billion) within the decade,
up from Rs.330,010.14 crore ($77 billion) last year. And global
investment in energy technologies reached close to Rs.642,876.90 crore
($150 billion) in 2007, according to research firm New Energy Finance,
as reported by CleanEdge in its 2008 report.
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