Looking at the numbers on cdr.fyi Biochar is clearly the dominant method for carbon removal. The gap between sold and future production of CO2 removals are a staggering 96.6%. This means that the pressure on production and pyrolysis equipment producers is huge in the coming years. Setup and maintenance of the production is key for a fulfillment on the promises that the biochar producers made. See here for more details: CDR.fyi