Propane is a ubiquitous gas sold in steel bottles—propane tanks—attached to barbecue grills nationwide. Many homes in the country have 250- to 1,000-gallon propane tanks used for heating. Propane is highly beneficial but must be...

Propane is a ubiquitous gas sold in steel bottles—propane tanks—attached to barbecue grills nationwide. Many homes in the country have 250- to 1,000-gallon propane tanks used for heating. Propane is highly beneficial but must be...