F1 ENGINE RULES FROM 2013
1.6-litre, four-cylinder turbos with energy recovery and fuel restrictions to replace current 2.4-litre normally aspirated V8s
Fuel efficiency to increase by a target of 50%
Overall power to remain same at approx 750bhp
Checks and balances to ensure costs are contained and performance across all engines remains comparable
Plan for advanced 'compound' turbos to be introduced in subsequent years
Power of Kers energy recovery systems to increase from 60kw in 2011 to 120kw in 2013