Is 'free energy' trick the key to Ferrari's surge?

Is 'free energy' trick the key to Ferrari's surge?

Earlier this year there was huge intrigue over what Ferrari was doing with its battery system. Now the breakthrough it made is becoming clear, and it seems to have played a big part in Ferrari's surge to the top of the championship table

Ferrari's strong form at Silverstone a fortnight ago renewed focus on the progress the team has made with its car, and even prompted extra intrigue about a potential 'free' energy trick it has up its sleeve.

But rather than this being the start of a fresh cheating controversy, it instead appears that the boffins at Maranello may be doing something very clever to exploit a freedom in the rule book.

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