BB 63413 PLATHEE (or Plathée in French) is a hybrid locomotive that was used for testing on the French rail operator SNCF. PLATHEE is an acronym for "Platform for Energy- Efficient and Environmentally Friendly Hybrid Trains".[1][2]
^Akli, C.R.; et al. (September 2–5, 2007). Energy management and sizing of a hybrid locomotive. Power Electronics and Applications, 2007 European Conference on. Aalborg: ieee.org. pp. 1–10. doi:10.1109/EPE.2007.4417333. ISBN9789275815106.