Walking out of the Santa Barbara Salt Cave in Santa Barbara, California, my fiancé, Jordan, and I both felt salt on our lips—much like you do when you get out of the ocean after a long swim. Made from ...

Engineers can drill straight down and inject water to dissolve that salt, creating huge empty caverns. The brine can then be pumped out and gas can be pumped in to be stored for when it is needed.

Hydrogène de France and French gas grid operator Teréga have announced a plan to store hydrogen in disused salt caverns in France. The companies have signed a memorandum of understanding to ...