| Fuel cartel's letters | 25 |
| Fuel cartel, briefly | 20 |
| Fuel cell component | 19 |
| Fuel choice | 11 |
| Fuel company absorbed by BP | 27 |
| Fuel conduit | 12 |
| Fuel container | 14 |
| Fuel cut from bogs | 18 |
| Fuel deliverer | 14 |
| Fuel delivery sys. | 18 |
| Fuel derivable from biomass | 27 |
| Fuel derived from fermenting organic waste | 42 |
| Fuel derived from petroleum, e.g. | 33 |
| Fuel distillation product | 25 |
| Fuel economy authority, for short | 33 |
| Fuel economy consideration | 26 |
| Fuel economy letters | 20 |
| Fuel economy meas. | 18 |
| Fuel economy org. | 17 |
| Fuel economy stat | 17 |
| Fuel economy stat. | 18 |
| Fuel efficiency abbr. | 21 |
| Fuel efficiency letters | 23 |
| Fuel efficiency meas. | 21 |
| Fuel efficiency measure | 23 |
| Fuel efficiency rater: Abbr. | 28 |
| Fuel finish | 11 |
| Fuel for a Bentley | 18 |
| Fuel for a camp stove | 21 |
| Fuel for a debate | 17 |
| Fuel for a Fiero | 16 |
| Fuel for a firepit | 18 |
| Fuel for a Ford | 15 |
| Fuel for a Lib fire | 19 |
| Fuel for a lighter | 18 |
| Fuel for a lorry | 16 |
| Fuel for a Reo | 14 |
| Fuel for a warp drive engine on "Star Trek" | 53 |
| Fuel for a Zeppelin | 19 |
| Fuel for aerosols | 17 |
| Fuel for an Aston Martin | 24 |
| Fuel for an Aston-Martin | 24 |
| Fuel for an old furnace | 23 |
| Fuel for big rigs | 17 |
| Fuel for Cinderella's coach? | 32 |
| Fuel for Flaherty | 17 |
| Fuel for Fulton | 15 |
| Fuel for Miss Nightingale | 25 |
| Fuel for old locomotives | 24 |
| Fuel for piston-engine airplanes | 32 |
| Fuel for semis | 14 |
| Fuel for some guzzlers | 22 |
| Fuel for some prop planes | 25 |
| Fuel for some ranges | 20 |
| Fuel for some trips? | 20 |
| Fuel for some trucks | 20 |
| Fuel for the body | 17 |
| Fuel for the fire | 17 |
| Fuel for the wealthy | 20 |
| Fuel found in all three theme entries | 37 |
| Fuel found in wetlands | 22 |
| Fuel from a bog | 15 |
| Fuel from a fen | 15 |
| Fuel from a marsh | 17 |
| Fuel from a mine | 16 |
| Fuel from a sump | 16 |
| Fuel from bogs | 14 |
| Fuel from fens | 14 |
| Fuel from mines | 15 |
| Fuel from plants | 16 |
| Fuel from the wetlands | 22 |
| Fuel from vegetable tissue | 26 |
| Fuel frontman | 13 |
| Fuel gas | 8 |
| Fuel gases | 10 |
| Fuel gp. | 8 |
| Fuel grp. | 9 |
| Fuel guitarist/songwriter | 25 |
| Fuel guzzler | 12 |
| Fuel guzzler's feature | 26 |
| Fuel guzzlers | 13 |
| Fuel holder | 11 |
| Fuel hybrid | 11 |
| Fuel hydrocarbon | 16 |
| Fuel in a can | 13 |
| Fuel in a car | 13 |
| Fuel in Cork | 12 |
| Fuel in Galway | 14 |
| Fuel in Ireland | 15 |
| Fuel in the news | 16 |
| Fuel line | 9 |
| Fuel line additive | 18 |
| Fuel line maintenance worker? | 29 |
| Fuel material | 13 |
| Fuel material from bogs | 23 |
| Fuel measure | 12 |
| Fuel mining site | 16 |
| Fuel mixture | 12 |
| Fuel number | 11 |
| Fuel of a sort | 14 |