By Katharina Bart

ST. GALLEN, Switzerland (MarketWatch) -- Royal Dutch Shell PLC /quotes/comstock/13*!rds.a/quotes/nls/rds.a (RDS.A 54.14, -1.45, -2.61%)

Chief Executive Officer Peter Voser said Friday he sees the global demand for energy doubling by 2050, amid a curbing of traditional fossil resources.

Voser was speaking to a business audience here.

http://www.marketwatch.com/story/shell-ceo-sees-world-energy-demand-doubling-by-50-2010-05-07