In Transit: Q&A: Trimming Costs at Two National Parks

A friend and I want to meet in San Francisco in June and rent a car to visit some of the national parks. We'd like to drop the car off in Phoenix. Do you have any suggestions on trimming costs?

Source: http://feeds.nytimes.com/click.phdo?i=6a38a79eaa60dcebf14c2808d2257dea

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