| NIKOLATESLA | Serbian-American inventor and electrical engineer after whom an American electric car manufacturer is named (6,5) |
| TESLA | Nikola - - -, Serbian-American inventor and electrical engineer after whom an American electric car manufacturer is named (5) |
| TETRAZZINI | Luisa ___, Italian coloratura soprano after whom an American dish is named |
| MPG | Inapplicable stat for American electric cars |
| TESLAS | Slates the American electric cars badly |
| MARKTWAIN | Whom an American humor prize is named for |
| SIR | 6d and 18d: Civil engineer after whom Class 37 No. 37425 was named (3,6,8) |
| EIFFEL | Gustave ?, French civil engineer after whom a tower in Paris is named (6) |
| MOOG | Robert, US engineer after whom a type of musical synthesizer is named (4) |
| ROBERT | Civil engineer after whom Class 37 No. 37425 was named (3,6,8) |
| MCALPINE | Civil engineer after whom Class 37 No. 37425 was named (3,6,8) |
| EDISON | The decorative Dahlia 'Thomas A. ___' is after the American inventor and businessman (6) |
| BESSEMER | Sir Henry ___, English engineer after whom a process for manufacturing steel by blowing air through molten pig iron is named |
| STELLER | Georg Wilhelm ___, an 18th century scientist after whom an eider, sea eagle and sea cow were named (7) |
| ALBERT | Prince Consort of Queen Victoria and organiser with Henry Cole of the 1851 Great Exhibition, after whom an area of museums and cultural sites in London is nicknamed (6) |
| TITAN | Any one of the gigantic offspring of Uranus (Heaven) and Gaia (Earth) after whom an element, a mighty ship, Saturn's largest moon and the body's biggest protein derive their names (5) |
| PHILO | American inventor and television pioneer Farnsworth |
| ASIMOV | Writer after whom an asteroid and Mars crater are named |
| EINDHOVEN | City in North Brabant, Netherlands associated with the radio and electrical industry (9) |
| GILBERT | Physician noted for his explanation of magnetic and electrical phenomena (7) |