Seems like just about everything about driving a car in this city is becoming more expensive these days. WTOP reports that parking fees at both National and Dulles airports will go up on June 1. At National, regular daily parking will increase from $17 a day to $20 a day, while economy parking will go from $10 to $12 for 24 hours. Hourly and valet parking will stay the same. There will be another option......