ser gh, sa petron (auto gasul) meron they charge 30k for carb, 40k+/- efi.. and their 2 (currently) refilling station along e. rodriguez ave(c5) pasig & gil puyat cor mkti ave..pero im wondering if refilling cng is ok for lpg kitz..since cng is cheaper by 35~45% local produce pa..

the best thing, you can reverse back to petrol vis versa..