| Abbreviation | Definition |
|---|---|
| ECGC | Economic Cargo for Garden Centers |
| ECH | Movement Echelon |
| ECOSOC | Committee of Experts On the Transport of Dangerous Goods of the United Nations Economic and Social Council |
| ECPC | Economic Classification Policy Committee |
| ECPM | Effective Cost Per Mille |
| ECRTP | East Cornwall Rural Transport Partnership |
| ECRV | Emergency Communications Response Vehicle |
| ECT | Electronic Control Temperature |
| ECT | Europe Combined Terminals |
| ECTC | Eastern Connecticut Transportation Consortium |
| ECU | Engine Control Unit |
| ECV | Electric Convenience Vehicle |
| ECV | Electric Convenience Vehicles |
| ECV | Electric Conveyance Vehicle |
| ECV | Electric Conveyance Vehicles |
| ECV | Electrically Chargeable Vehicle |
| ECV | Electronic Convenience Vehicle |
| ECV | Experimental Composite Vehicle |
| ECVFP | Expanded Charted Visual Flight Procedures |
| ECWVTA | European Community Whole Vehicle Type Approval |