News bites: Child-free flights?

Your morning transportation speed-read:

A pair of Asian airlines is offering child-free "quiet zones" on their airplanes.

Japanese automaker Toyota's Scion iQ model has been rated the cheapest car to own over the lifespan of the vehicle.

Houston's William P. Hobby Airport is unveiling its international expansion plans.

Virginia gubernatorial candidate Ken Cuccinelli (R) is backing changes to the state's current Gov. Bob McDonnell (R)'s transportation plan, which calls for eliminating the state's gas tax.