Current 2.4-litre V8s to 1.6-litre four-cylinder turbo engines with energy recovery systems and fuel restrictions.

http://news.bbc.co.uk/sport1/hi/moto...ne/9255871.stm

BBC Sport has been told the regulations will go before the F1 Commission - a group of stakeholders that agrees all rule changes - on Thursday 9 December before being rubber-stamped by the World Council the following day.