As per my opinion purchase fule wisely which can save up to 24%
Use right grade of gasoline. Regular grade fule about 20-cents per gallon less than primium grade.
Alter travel practice can be save up to 30% and give efficient way. Use public transport
More efficient driving can also save fule up to 15% .
Avoiding to drive roughly and aggressively. Vehicle speed limit must be between 50-55 km per hour
Maintenance on time period must required for improve the efficiency of fule.