Muscle Making? 4 Mistakes To Avoid – Activity – Welcome to the forum, this is not a DIY site, this site was created for users from all over the world to post their CNG experiences- good, bad, or otherwise. We will strive to give our members a wide berth when it comes to discussions here. The natural gas community will not thrive and grow if our users are afraid to post due to fear of censorship, ridicule, or beratement from forum moderators or administrators.