October 6, 2021 Formula 1 Is Developing a 100% Sustainable Fuel to Save the Internal Combustion Engine The racing competition says the fuel will eventually be available for mainstream use.

Carmakers and governments have called time on the internal combustion engine as they switch to electric but Formula One sees plenty of life in it yet as the sport races towards a zero-carbon future.

Hydrogen needs more air than gasoline in the combustion equation and needs to operate on the lean side to tamp down temperatures.