Public transport operator Express del Futuro has unveiled plans to test zero-emissions, all-electric buses in a bid to reduce greenhouse gas emissions, noise, and maintenance costs, as well as eliminate fossil fuel consumption over the lifetime of the buses in the Colombian capital. Bus manufacturer BYD is supplying its K9 all-electric bus for the project, which will take into account operational performance, energy consumption during the driving cycle, battery behaviour in terms of discharge and recharge d