Oil: The beginning of the end?

But suddenly Campbell is receiving mainstream attention. In the past few months, he has spoken before a joint committee meeting of the British House of Commons and addressed about 200 J.P. Morgan Chase & Co. investors by conference call from Ballydehob. This month, two officials from AB Volvo, the truck and engine maker, visited from Sweden. His theory, if right, would force vehicle makers to revamp their lineups.

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