Not Every Place Is For Everyone

Bright yellow orange flames shot from a thin gas pipe against the west Texas gray foggy horizon as noon approached. On a two-lane highway with little else to see beside muddy side roads and mesquite, I passed a propane tank with a small solar system atop it. Did the propane provide energy with the solar system as a backup for some unseen appliance supported by Haliburton, the name on the tank?