HCCI
| Acronym | Definition |
|---|---|
| HCCI | Homogeneous Charge Compression Ignition |
| HCCI | Heritage-Crystal Clean, Inc. (Elgin, IL) |
| HCCI | Homogeneous Charge-Compression Ignition |
| HCCI | Haut Conseil de la Coopération Internationale (France) |
| HCCI | Harlem Congregations for Community Improvement, Inc. |
| HCCI | Hungarian Chamber of Commerce and Industry |
| HCCI | Human Capital Composite Index (VaLUENTiS) |