Compressed air is critical in many industrial and nonindustrial applications, including powering pneumatic tools and conveyor systems, cleaning equipment and airfilling amusement park objects. While ...

Researchers in China developed a new compressed air energy storage system that uses flooded roadways in abandoned coal mines to store compressed air and heat for nighttime power generation.

Broken Hill's hard-rock geology could hold part of the solution to Australia's energy storage problem as the country shifts to renewables. A 200-megawatt, $1 billion facility built by Canadian company ...