Formula 1 jumping into 20% biofuel blending by 2021 with an eye on 100% some day

In Germany, Formula 1 is reported to be looking at how to get to 20% biofuel blending by 2021 as part of its efforts to become more carbon neutral, saying that if one is going to get to 100%, they need to start with 20%. Currently, F1 blends small amounts of biofuel into its racing fuels. Reports say that the race car manufacturers including Renault are behind the move to switch to higher biofuel blends.