The PIP was named the most fuel efficient hybrid and placed fourth overall (behind 3 EVs) at this years Rally Monte Carlo des Energies Nouvelles 2013. Toyota Prius Plug-in Hybrid Vehicle most fuel efficient hybrid at Rallye Monte Carlo des Energies Nouvelles | Breaking Business News, Headlines, Stories and Video - CBS News http://www.acm.mc/documents/6/EN-24-Classement_Consommation.pdf