This year is a watershed for Formula 1 technology. Every area of the car is affected by the new regulations, none more so than the engine.
As much as engines have changed over recent decades, never have the rules demanded such huge alterations in one sweep. The FIA's desire for fuel-efficient, but powerful, engines has been met with a move to 1.6-litre turbocharged power.
This means that the 2014 season will be dominated, and most likely decided, by engine technology.
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