Silver, 5% tint on all but windshield, all LED lighting except for switched DRLs & headlights, folding mirrors on both sides. Driving from North Carolina all the way to the west coast proved 31mpg average on the built-in gauge.
LED lighting for lower electrical drain.
Mirrors folded during interstate travel.
Multi-vehicle drafting during interstate travel (when permitted).
Tire pressure at ≈45psi [310kPa].
I've found no reason to fill the tank while in the city. One quarter tank is enough weight to carry around.
This car is at the mechanic's shop every other week. If I ever get the damn thing running steady...: