Megan and one of her readers criticize Ryan Avent's recent postings on automotive innovation. James Joyner is also skeptical. Avent continues the thread:

Better personal vehicles will ultimately be good for urbanism. It’s not too difficult to imagine a few reasons why. For one thing, small vehicles will require less space for parking, and autonomous vehicles may not require any parking at all. Parking lots and decks are the bane of walkability. Smaller vehicles, particularly ones which weigh just a few hundred pounds, will be much more pedestrian and cyclist friendly than standard automobiles. They’ll take up less precious road space. They’ll block less of other travelers’ field of vision. And in the event of a collision with a non-driver, they’ll do much less damage.

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