To save Petrol:
1. switch off the engine at traffic junctions as per the timer..
2. maintain a constant speed.. 40 kmph would be ideal( also has the advantage of less wear n tear to the engine parts)
3.try to fill up the tank in the mornings( density of petrol will be more )
4.Try filling much petrol each time you fill.Because leaving much volume empty in d tank may lead to the evaporation of some amt of petrol as it is a highly volatile substance..
5. Do not expose the vehicle to sunrays in parking. Park the vehicle in shadows.
To increase Milage:
Here is one technique which is not available on net, but i have read in an article.
Steps:
1. Go to petrol bunk and get the tank filled up.
2. Push the trip meter for 2 to 3 seconds and it will set to 0.
3. Drive the car for another few hundred kilometers say 350 or 400.
4. Now go to petrol bunk again and get it filled up.
Now note how many kilometers u have done on the trip meter and how much petrol you filled in the second time. Divided the distance by traveled by the petrol filled in.
For Ex:
Kilometers done on trip meter = 400.
Number of liters of petrol taken to fill up tank second time = 25.
400 divided 25 = 16 kmpl.
This is called tank full to tank full method and is the most accurate.
1)Don’t use your clutch too much! it drinks fuel.
2) Keep a check on the tyre pressure.
3) Refuel petrol at the regular bunk.
4) Do Your car services regularly
5)Try to keep a constant maximum speed.
Other tipcs you can see from the links given below,
regards,
sajee