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The study evaluates the feasibility of supplying 300 million litres of ethanol annually to PetroSA's Conversion of Olefins to Distillate (COD) plant. It compares three primary feedstock pathways: first-generation (1G) molasses, second-generation (2G) lignocellulosic biomass (primarily invasive alien plants and garden waste), and third-generation (3G) industrial off-gases. The analysis finds that molasses-based ethanol is the most cost-effective and carbon-efficient option, while lignocellulosic ethanol is the most expensive due to high acquisition and processing costs. However, the report suggests that a diversified sourcing strategy incorporating invasive alien plants (IAPs) could meet broader socio-economic goals, such as job creation and drought resilience, at an additional cost of approximately R1 billion per year.

The report finds that South Africa has sufficient waste biomass to meet the potential demand of Sasol's Secunda plant, with availability estimated at 2 to 4 times the maximum potential demand. Garden waste and sawdust are identified as the lowest-risk feedstocks. Fuel rods are the most cost-competitive densification option for woody biomass, while white pellets are cheapest for soft biomass. The study concludes that biomass feedstock would be 3-4 times more expensive than coal, though this could be offset by SAF premiums and carbon tax liabilities.