Go by the few basic rules ba.
1) be light footed: dun ramp ... step gradually never let it be
more than 2k rpm before change gear
2) Off aircon all the way.
3) when moving off, use clutch release and step softly on the
peddle.
4) If see downslope and the situation allows, use nuetral gear and
roll down.
5) In jam, use bitting ppoint to move relax on the
accelerator
6) choose a car wif gd FC like sonata or hybrid or best use cell
powered car... sure save petrol but maintanance ex like
hell...
7) Plan your route wisely and do not make detours or go longer
journey then needed.
The best of all to save petrol, go buy a car which only use
rechargable battery ... sure save 1... lolz