Dacia has become the first manufacturer to offer LPG versions across its model range, available direct from the factory. LPG versions of Dacia Duster, [See the full post at: Dacia offers LPG bi-fuel options across its range]
Dacia are not the first to offer bifuel systems , both Vauxhall and Volvo offered this several years ago . I’m sure it was a factory option with at least the Vauxhall even changing the fuel gauge readout to lpg as it switched over