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This research project evaluated biogas production using anaerobic co-digestion of pig manure and elephant grass silage in large scale to delivered transportation directly for cars. Anaerobic co-digestion was estimated in three full-scale continuously stirred tank reactors (CSTRs) at 40 °C. In the form of compressed bio-methane gas (CBG) production was 14,400 m³/day (CH₄ 60–70%) amount of CBG was 9600 m³/day. The procedure was enhanced by using molecular sieve, activated carbon for removal of moisture and CO₂ membrane H₂S and CO₂ respectively. The results were demonstrated the amount of CO₂, H₂S gas was reduced along with CH₄ was improved up to 90% by volume and compressed to 250 bar tank pressure gauge to the fuel for cars. The CBG production, methane gas improvement and performance were evaluated before entering the delivered systems according to the energy standards. The …