That "many in business dismiss the concept" just shows how ignorant they are.  I am not sure why BBC considers these many to be such authorities on the subject.  One just has to stand back and see how absurd the whole "debate" really is.  Where are all the new sources of light sweet crude that would disprove the "peak oil theory"?  Saudi Arabia is pushing heavy  sour, of which it doesn't have anywhere near the original light sweet reserve amounts, and bitumen in Canada is being touted as a vast new source.  This is evidence for the onset of peak oil.  Invoking non conventional oil is akin to invoking coal as a "refutation" of peak oil.
and bitumen in Canada is being touted as a vast new source
Many MSM publications tout Canada's oil reserves as being larger than Saudi Arabia. That gives the general public a very false sense of security. I wonder when the cost to mine the oil, in terms of natural gas and water, will outweigh the oil extracted. With NG supplies, and fresh water as well, in decline, how soon will this come to an end?
no wonder there's no by-line on that BBC "article", I reckon every word of it has been written by BP's PR department.

BBC News' credibility is now in negative teritory.