Microdrones has released a drone-based methane-detection solution, the mdTector1000 CH4, which comes with a Pergam gas sensor mounted on the Microdrones md4-1000 unmanned aerial vehicle (UAV).
According to the company, the mdTector1000 CH4 can be used for applications such as natural gas line surveys, tank inspections, gas well testing, and landfill emission monitoring …
https://unmanned-aerial.com/microdrones-rolls-integrated-solution-drone-based-methane-detection
Unmanned Aerial | Oct. 24, 2017