got in 2 days
8000ft high on first day, and so 8k money.
bought Best Radar, second fuel sucker, a little tank fuel and height/width/band as much as I could
great game, 5/5. For those who have prob with smog, make some research and upgrade your plants. and you shouldn't use coal plants. Use Thermal or Nuclear one. IF you use Nuclear one, guard the nuclear dump like crazy. Always have your plants upgraded. as fuel for vehicles use gas and upgrade it to max. Good luck