Business Green: GE is set to order “tens of thousands” of electric vehicles in a move that will provide a major boost to the embryonic market and bear out predictions that large corporate customers will drive adoption of the emerging technology. At a speech in London yesterday, chief executive Jeff Immelt said the company would place the “largest order in history” in the next week, although he did not confirm an exact figure or manufacturer. However, he did say that under the initiative about half of GE’s…