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Across 4. racing patrick 10. converts mechanical energy into electrical energy 11. old chevy 13. from 60 to 0 15. air flow rate 16. diameter of piston 19. highway to hell 20. fuel & air intake control 21. stock car racing association 22. european tools or tens and tenths 23. fancy chevy 25. hydrogen energy

Down 1. length of piston movement in cylinder 2. brazilian formula 1 racer - or NASCAR 3. fraction found in automotive specs 5. mechanic certification 6. no more carburetor 7. from 0 to 60 8. alcohol/gasoline blend 9. lightweight material used in the Hypercar and the Tesla 12. miles per gallon 14. compressed air blown in to engine 17. gasoline/electric car 18. nothing to do with horses 24. new chevy