This section is about modern locomotives built the Spanish manufacturer Construcciones y Auxiliar de Ferrocarriles (CAF). In 2008 a dual-mode locomotive was being developed for freight operations in Spain; The Bitrac.
Since 2016 CAF is developing a dual-mode e-shunter. In 2017 RATP from Paris announced having ordered the first twelve units of this type:
Alstom
