Related Clues:
- Prefix for 'friendly' or 'fascist'
- Prefix that's 36-Down minus a letter
- Fuel-saving mode in some cars
- Lead-in to freak or friendly
- Itty-bitty: Prefix
- ___-conscious (green)
- ___ mode (fuel-saving feature in newer cars)
- Prefix with hotel
- Environmentally friendly opening
- Environmentalist prefix
- Prefix for 'friendly' or 'system'
- Prefix for 'aggression' and 'organism'
- __ hotel: sustainable lodging
- Good prefix for Earth Day
- Prefix for the green-minded