By Polya Lesova
FRANKFURT (MarketWatch) -- Crude futures fell below $80 a barrel on Wednesday, as data from China and Japan fuelled concerns over a slowdown in global economic growth and its impact on energy demand. Crude oil for September delivery dropped 91 cents, or 1.2%, to $79.34 a barrel in electronic trading on the New York Mercantile Exchange. The International Energy Agency revised slightly upwards its forecasts for global oil demand for 2010 and 2011, but warned that there is a significant downside risk to these estimates if the economic recovery falters in the second half of the year.
