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 35%
• Overall power to remain same at approx 750bhp
• Checks and balances to ensure costs are contained and performance across all engines remains comparable
• Fuel to be limited by fuel-flow restrictions and a stipulated maximum tank capacity
• 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