Gas City(1978)

The story of a Northwestern Drifter who has already wasted 1 quarter of his life and gets by with a full tank of gas and $200. Lyle is a lonely Northwestern drifter tries to settle into a new environment and takes a job at a gas station and begins a relationship with a waitress (Gail Rosella). But his tribulations with roommates and leads to a foreboding sense of suffocation, and at any moment, he might just pick and go...