Ferrari and Honda are believed to have both used engine tokens ahead of this weekend's Canadian Grand Prix, the first manufacturers to take advantage of in-season development. The new hybrid engines introduced at the start of last year had their specification frozen for the duration of the season. This year Mercedes, Ferrari and Renault were each given a total of 32 tokens to spend, with Honda given nine - an average of what the three teams had left ahead of the Australian Grand Prix. Having spent 25 during pre-season, Ferrari have now spent a further three tokens, leaving seven for the remainder of the season. Although there is no confirmation that the upgraded engine will be used in...
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