civic 95 is really good on cng (carburetor) ...it has following milege
highway : 167 with a.c
" : 180 without a.c
local : 100 - 105 with a.c
" : 115 - 120 without a.c
i am talking abt 55 kg cylinder ...with 8.0 kgs of gas and 210 bars pressure costs almost 400 bucks ..
more over ...tyre pressure
style of driving
tyre size
allignment
air filter condition
cng setting,
spark plug gap
cng kit cleaning
condition of a.c compreesor
,cng quality
extra wt in car
tyre bearing condition etc are few factors which play a vital role in cng consumption ....