Proton GEN-2 ecoLogic 1.6 Persona Proton GEN-2 ecoLogic 1.6 Persona What is it? This is the dual-fuel version of the Proton GEN-2 Persona. The Proton ecoLogic has a 1.6-litre petrol engine that can either run on petrol or Liquified Petroleum Gas (LPG). In most normal uses the LPG is the default mode, except for starting up. There is no price [...]