Fuel-consumption how can I minimize fuel consumption of my car ?

Drive slower and easier. about 1 or 2 BELOW THE SPEED LIMIT DON'T PASS ANYONE . When you accelerate accelerate nice and easy watch the tachometer try to keep it below 3000 rpm all the way up to your cruise speed nice and easy don't worry about the guy behind you . Brake easy if you are coming to a light take your foot off and coast and try to time the light so its green when you get there. then EASY EASY on the gas keep it under 3000 RPMS all the time you are accelerating.
No special oil no special spark plugs or fancy air filters just factory parts whren you tune up every 3 or 4 years and change your oil about every 3 or 4 years yes 3 or 4 years it wont hurt it a bit just remember to always check the oil and add if it gets 1/2 Qt low. change the fuel filter EVERY EVERY 15,000 MILES fuel injection professional pressure cleaning once a year Air filter when it is dirty, please dont believe all those gimicks out there I have a car we change the oil about every 4 years and it has 350,000 miles no engine work yet runs every day passes emsssions every year no repairs needed fuel filters once a year or 15,000 miles