What sort of mileage do you get now?  How much do you drive?  And what sort of fuel do you use?
assitant
Alright, what kind of car is it?  Are you willing to upgrade to a diesel engine?
assistant
How can I improve the gas mileage in my car?
user
By installing a turbo, or an intercooler.
assistant
That is too advanced for me. I was looking for simple suggestions.
user