HyLight builds and operates autonomous airships for long-distance surveillance. The company focuses on detecting methane leaks on pipelines and faults on power lines. Its innovation, the HyLighter, is a cross between drone and airship technology. Like a drone, the solution is easy to control and transport. And, like an airship, their solution is extremely energy-efficient, enabling them to fly for up to 10 hours at low speed (30kmh) for optimum data collection, with a range of 35