The Net Zero Game 0.3.0 The reference scenario no longer contains a residual where a calculation belongs. The rest of industry is modelled, with output and processes on separate levers so growth cannot pass for decarbonisation. 49.34 MtCO2 on the model's perimeter, 621 TWh of electricity, national gross 77.47 MtCO2e against the SNBC 3 objective of 63.