FUEL TANKS: THE QUIET GIANTS POWERING OUR LIVES

On a blistering summer afternoon in Arizona, a lone pickup truck idles at a remote construction site. Dust swirls around its tires as a worker pulls a hose from a heavy-duty plastic tank strapped to the truck bed. In moments, a bulldozer roars back to life. Nearby, a backup generator hums, its tank quietly feeding diesel to a rural hospital that ju