The Clean Fuel Standard is critical to Canada’s national climate plan. It has the potential to reduce emissions by 30 Mt CO2eq beyond existing measures and expand the market for low-carbon fuels. There remain design questions, however. To help address them, Clean Energy Canada contracted Navius Research to model several scenarios showing how the Clean Fuel Standard could be designed and the implications for greenhouse gas reductions and technology deployment. The draft results provide insight on several questions, outlined in this federal submission.