Question: how much km in 1 kg cng?
Answer: for 1 Kg of CNG, there should be 20~25 KM. for very rush areas 17~18 KM. for 1 Ltr of Petrol, it is said normally old vehicles do 10~12/13 KM. I purely use vehicle on CNG, starting also, CNG is less pollution to environment and oil darkness/dirt also.