Propane provides clean fuel for fireplaces, dryers, water heaters, furnaces and cooking appliances. The national average cost for an above-ground 250-gallon tank costs about $400 to $1,000 to install.

It’s a Ford F-250 Super Duty powered by a 5.4-liter V-8 that runs on propane rather than the gasoline it usually drinks. There are two propane tank options ... cheaper per gallon than gas.

That appears to be what occurred in Perryville early Saturday, when gas from a leaking 250-gallon propane tank behind a sandwich shop settled in the basement and was ignited in a massive explosion ...