Assertion: bus | /r/CapableOf | use electric motors
Facets:
value: to propel the bus
type: PURPOSE
Source sentences:
text: While Bogotá started to use hybrid buses in 2012: they use regenerative braking to charge batteries when the bus stops and then use electric motors to propel the bus up to 40 km/h, speed at which the regular diesel engine starts automatically, with considerable savings in fuel consumption and pollutant dispersion.