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5th
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This year marks a step change in the F1 regulations. A raft of aero and powertrain rules are set to create a more efficient race car with more direct links to road car technologies. V8s, used since 2006, will be replaced by all new 1.6 litre turbo charged V6. Engines are now also referred to as 'power units' thanks to the increased hybrid nature of their power generation.