The debate continues as to whether the glass is half-full-or when it will be half- empty. But most of the 500 people attending the recent World Oil Conference in Houston think peak oil production could occur as soon as 2011. Sponsored by the Association for the Study of Peak Oil's U.S. chapter (ASPO-USA), the University of Houston and the city of Houston, the gathering was to educate the public about the social, economic and technological ramifications of peak oil and to discuss possible responses from consumers, businesses and government at all levels. For the full version of this story and many others, subscribe to Oil and Gas Investor. Contact us at 713-993-9320.