Outlining the challenges ahead in the new season, Thomas said:

F1’s new E10 fuel content will comprise 10 percent ethanol, which reduces carbon emissions, keeping it in line with the sport’s sustainability mission. The main challenge with the new E10 fuel is the significant loss of power that cannot be retrieved.

Explaining the effects of the fuel on their performance dynamics, Thomas said:

According to Mercedes’ Brixworth head, the new fuel will lead to changes in engine performance and combustion. Thomas believes it will be critical to change the engine structure to enhance performance with the new fuel.

Mercedes engine division chief believes new E10 fuel is the biggest rule change

Mercedes HPP head Hyvel Thomas believes the E10 fuel is the most significant rule change on the engine side since the dawn of the V6 era. The Silver Arrows engine division boss explained that the new fuel required a lot of changes to the engines.

Describing the significance of the fuel change, Thomas said:

Rival engine suppliers such as Alpine, Ferrari and Honda have admitted to the challenges of the new fuel. Even a dominant engine manufacturer like Mercedes has had to rework its power unit to adapt to the E10 fuel.

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