| DELOREAN | Model of a vehicle powered by the Mr. Fusion Home Energy Reactor, in science fiction |
| BABE | Take That single which replaced - and was replaced by - the Mr Blobby single at number 1 |
| ECAR | Informal description of a vehicle powered by battery but not fuel (1-3) |
| HYBRID | A vehicle powered by both a fuel engine and an electric motor (6) |
| REFINERY | It's about Brown covering up at home energy in crude place (8) |
| RADIATOR | Retro home energy unit |
| MADAGASCAR | Absurd, a vehicle powered with LPG perhaps in the country |
| UBER | Heartening house energy rating indicates it's a super example of its kind |
| BIKE | A short word for a two-wheeled vehicle powered by a cyclist (4) |
| TREVITHICK | Richard -; the "Cornish Giant" who invented the puffing devil, one of the first passenger-carrying vehicles powered by steam (10) |
| MELTDOWN | A failure in a nuclear reactor in which radiation starts to escape (8) |
| TRAMS | Passenger vehicles powered by electricity and conveyed by overhead cables (5) |
| GREEDY | Mr. ___ , character in the second book of the Mr. Men series who lives in Roly-Poly House (6) |
| BLOCK | Rectangular packaged portion of butter, cheese, chocolate or ice cream; a model of a head upon which to fashion a hat or a wig; or, a pad of drawing or writing paper (5) |
| TORUS | Britain's large nuclear fusion reactor in Oxfordshire, the Joint European ... |
| CORE | Central part of a nuclear reactor in which fission takes place (4) |
| SLED | Snow vehicle powered by dogs |
| JETCAR | Vehicle powered by an aircraft engine |
| TROLLEYBUS | Vehicle powered by electricity (10) |
| GLIDERS | Powered by the forces of lift, gravity and drag, aircraft without engines, such as sailplanes (7) |
