When Iranian drones and missiles struck Qatar’s Ras Laffan Industrial City, one of the world’s largest LNG hubs, the immediate concern was disruption to LPG, LNG and other gas-to-liquids supplies. But ...

It seemed like it would be so easy a few years ago. Rising demand and dwindling supply for helium — the nonflammable gas that lifts balloons and allows MRI machines to operate — caused prices to ...