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Formula One will switch to turbocharged four-cylinder engines from 2013, the FIA have revealed.
The new 1.6-litre engines will replace the current 2.4-litre V8s as part of F1’s drive to improve economy and lower emissions.
The turbo units, which last appeared in F1 back in 1988, will feature high pressure gasoline injection up to 500 bar (7,252 psi) with a limit of 12,000rpm. The engines will deliver a 35% reduction in fuel consumption and will feature extensive energy management and energy recovery systems (KERS), while maintaining current levels of performance
Teams will only be allowed five engines per season from 2013, and this will be reduced to four from 2014. Gearboxes will have to last five races, not the four at present.
The FIA has also removed the rule banning team orders from 2011, although teams can still be charged with bringing the sport intro disrepute.