| FAME | Fatty Acid Methyl Ester |
| FBP | Final Boiling Point |
| FC | Fan Control |
| FCC | Fluid Catalytic Cracker |
| FCF | Fuel Correction Factor |
| FCM | Front Control module |
| FCU | Front Control Unit |
| FCV | Fuel Cell Vehicle |
| FE | Fuel Economy |
| FF | Flexible Fuel |
| FFS | Flexible Fuel Sensor |
| FFV | Flexible Fueled Vehicle |
| FFWS | Fuel Filter Water Separator |
| FI | Fuel Injection |
| FIAT | Fabbrica Italiana Automobili Torino (Italian Automobile Factory of Turin) |
| FMVSS | Federal Motor Vehicle Safety Standards |
| FP | Fuel Pump |
| FPCM | Fuel injection Pump Control Module |
| FREQ | Frequency |
| FSDI | Four-Stroke, Direct Injection |
| FSI | Fuel Stratified Injection |
| FSS | Forward Sensing System |
| FT | Fischer-Tropsch |
| FTP | Federal Test Procedure (EPA) |
| FTP | Fuel Tank Pressure |
| FVA | Fumarate Vinyl Acetate |
| FWD | Front- or Four-Wheel Drive |
| FZG | Forschungsstelle für Zahnräder und Getriebebau: Technische Hochschule München (D) (Wear Rig) |
