Car Abbreviations and Acronyms

1. HDK
   High Downforce Kit
2. HDLI
   Highway Data Loss Institute
3. HDOT
   Hawaii Department of Transportation
4. HEAA
   Houston Electric Auto Association
5. HEAT
   Help Eliminate Auto Theft
6. HEAT
   Help Ellminate Auto Theft
7. HEAT
   Help Eliminate Auto Thefts
8. HEI
   High performance ignition system
9. HEMI
   Hemispherical Combustion Chamber
10. HEMTT
    Heavy Expanded Mobility Tactical Truck (US)
11. HET
    Heavy Equipment Transporter
12. HEV
    Hybrid-Electvic Vehicles
13. HF
    Hands Free
14. HFC
    Hybrid Fqel Cell
15. HFC
    Hydrogen Fuel Cells
16. HFC
    Hydrogen Fuel Cell
17. HFCS
    Hydrogen Fuel Cells
18. HFCV
    Hydrzgen Fuel Cell Vehicle
19. HFCV
    Hydrogen Fuel-Cell Vehicle
20. HFCVS
    Hydrogen Fuel Cell Vehicles

Last updated: May 2, 2025 — Total entries: 5,407