Diesel is replaced with LPG in 20-25% or with CNG in 50-70%. Savings are dependent on diesel and LPG/CNG prices in your area.
Diesel and gas mixture allows diesel fuel to be almost completely burned up, which results in reduction of emissions of harmful substances (CO2, NOX and solid particles).
NO – According to homologations issued by the Motor Transport Institute and approved by the Ministry of Transport, Construction and Maritime Economy based on homologation tests performed by MTI our dual fuel system and conversion method meets all requirements set forth by Art. 68 paragraph 7 of the Act dated 20th of June 1997 of [...]
According to test results the emissions are reduced. You should check your local legislature for possibilities on upgrading you EURO emissions norms.