Will F1 go back to the future with its engines?

In general, the manufacturers seem not opposed to the idea of changing the engines, nor to the principle of switching to a V8. This is important, because Ben Sulayem was outflanked by the manufacturers when he last tried switching to a naturally aspirated engine, a V10, a little over a year ago. There is also general agreement on the need to reduce costs after the expense of developing the latest engines. But there is no agreement on exactly what the architecture of the engine will look like. …