Question

small steps of fuel conservation can make a big change in the world

Answer 1

1 Use Fuel wisely
2 Don't let it waste always switch off ur car on red lights
3 Use cng vehicles
4 Don't be like Trevor (Gtav)

Answer 2

@ fuel conservation can help you save money and make you a better person because you will become more cautious and disciplined. it can help in personal development.
but when we speak on the macro scale, it's not possible to observe a significant saving in fuel conservation, only if fuel conservation is done by everybody, there can be any significant change.