From 30 March until 12 April, the Servicio de Autobuses Urbanos de Burgos (Burgos Urban Bus Service) will be trialling the Irizar i2e, which will cover the city's line 1 (Avenida Arlanzón-Gamonal). This is a two-week test during which the City Council will test this bus that will make it possible to eliminate carbon monoxide emissions and reduce noise pollution.