As part of the rules overhaul for this year, F1 is demanding that cars use E10 fuel – which is a mixture of 90 percent fossil fuel and 10 percent ethanol.
The change has been widely expected to trigger a drop in power, but there have been suggestions from manufacturers that they have managed to recover all of those losses.
But Honda’s Yasuaki Asagi, who previously led development of the Japanese power unit and remains involved in the revamped project, is sceptical about that.
Speaking to Motorsport.com about how much power will be lost for 2022 because of the change, he said: “That’s a secret.
“It seems that other companies say it’s about the same but, on the contrary, making such an announcement means that it’s difficult to get the same power as last year.”
Asagi said that the challenge of the new fuel had not been easy, although there were some hidden benefits from the change.
“The response to E10 fuel is the largest [challenge],” he said. “The…
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