For those who use these little cartridges, you know how quickly the price can add up. [steve] takes us through the process of adding a valve to a spent cartridge so it can be refilled.

Researchers at the University of Cambridge have built a solar-powered reactor that converts atmospheric carbon dioxide (CO2) into a gas that could one day fuel vehicles, power off-the-grid ...

This recall, conducted in cooperation with the U.S. Consumer Product Safety Commission (CPSC), addresses a safety hazard in which the CO2 cartridge can be unintentionally ejected from the handle ...