Related Clues:
- Like a useless gas tank
- Devoid of contents
- Bottle to recycle
- Opposite of full
- Pointing to E
- Like idle words
- One end of a gas gauge
- Containing nothing
- Uninhabited
- Ready for a refill
- Totally drained
- Jackson Browne's "Running on ---"
- It's hard to run on it
- Like a bottle ready to be recycled
- Having nary a drop