| Abbreviation | Definition |
|---|---|
| EEV | energy efficient vehicles |
| EEV | Environment Enhanced Vehicles |
| EEV | Environmentally Enhanced Vehicle |
| EEV | Extremely Environmentally Vehicles |
| EEVC | Eastern Electric Vehicle Club |
| EEVC | European Electric Vehicle Congress |
| EF | Euro Flight |
| EFAS | En Route Flight Advisory Service |
| EFC | Expect Further Clearance |
| EFFECT | Environmental Forecasting For The Effective Control Of Traffic |
| EFI | Electronic Fuel Injection |
| EFIS | Electronic Flight Information Systems |
| EFIS | Electronic Fuel Injection Simulator |
| EFR | Electronic Flight Rules |
| EFR | Electronic Fuel Regulator |
| EFS | Express Freight Solutions |
| EFV | Earth Friendly Vehicles |
| EFV | Expeditionary Fighting Vehicle |
| EGM | Export General Manifest |
| EGR | Exhaust Gas Recirculation |