premium grade gasoline
2) premium grade
3) premium grade petrol
4) premium gasoline
5) premium
a motor gasoline with an octane number of between 95 and 99 (not precise)
GRM: n. (1,2,3,4,5)
References:
SEE
petrol
SEE
gasoline
SEE
gas
ENERGY TERM COURTESY OF
ENERGY.EU