Meaning of flex-fuel | Babel Free
Definitions
Of a motor vehicle: having its internal combustion engine designed to run on more than one fuel, usually gasoline blended with either ethanol or methanol fuel.
not-comparable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.