The Brainliest Answer!
Following are the point to save fuel:-
•We should walk for the short distance.
•We should use cycle .
• We should turn off the engine or vehicle at traffic.
•We should drive safely in the economy speed as in the green colour.
•We should use vehicles of natural ga as CNG.
•We should travel in battery running vehicle.
•We may also use solar vehicle if possible.
•We should try to give the servicing of our vehicle timely.
•We may use more mileage giving vehicles.
•We may use biogas plant instead of fossil fuel for our daily purpose.
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These are some points to be remembered while saving fuel:-

1. Avoid Long Idling
2. Clean Out the Trunk and Eliminate Unnecessary Weight 
3. Keep Tires Inflated to the Correct Pressure 
4. Don’t Buy Premium Fuel
5. Encourage Drivers to Observe Posted Speed Limits
6. Shop Around for Best Fuel Prices
7. Make Drivers Energy Conscious
8. Use A/C Sparingly
9. Make Your Vehicle More Aerodynamic
10. Encourage Carpooling