Development of a business model to transform San José's metropolitan transport system, focusing on electric buses, charging infrastructure, and a maintenance and training. Conversion of urban bus fleet to electric: 40 public e-vehicles contributing to a reduction of 5000 CO2 ktons per year. This project is an important aspect of Costa Rica's ambitious National Decarbonisation Plan, which mandates 70 percent of buses to be emissions-free by 2035 and 100 per cent by 2050.