Drones–model airplanes and model helicopters with cameras (or bombs) strapped onto them are all the rage. Even in shale-land! A small start-up company in Pittsburgh is manufacturing quadcopters (a model helicopter with four rotors) that can be used to fly along pipeline routes, carrying equipment to sniff out potential methane leaks. According the the inventor, it’s a lot less expensive than flying a real helicopter along a pipeline or sending people by foot…
