![David Zipper](https://platform.vox.com/wp-content/uploads/sites/2/chorus/author_profile_images/197289/DSC00236_square.0.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
David Zipper
Contributing Writer
David Zipper is a senior fellow at the MIT Mobility Initiative, where he examines the interplay between transportation policy and technology. His work has been published in the Atlantic, Slate, Bloomberg, the Washington Post, and elsewhere.
David led economic development strategy under two mayors of Washington, DC, and served in Mayor Michael Bloomberg’s administration in New York. After working in city government, he became a venture capital investor and startup adviser focusing on smart cities and mobility.
He holds an MBA from Harvard Business School, an M.Phil in land economy (urban planning) from the University of Cambridge, and a BA from Swarthmore College.
Latest articles by David Zipper
![Business owners are buying into a bogus myth about driving](https://platform.vox.com/wp-content/uploads/sites/2/2024/06/GettyImages-528153665.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Business owners are buying into a bogus myth about driving](https://platform.vox.com/wp-content/uploads/sites/2/2024/06/GettyImages-528153665.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
NYC’s very good plan to fix traffic fell victim to a very bad argument. And it's not just New York.
![The misleading, wasteful way we measure gas mileage, explained](https://platform.vox.com/wp-content/uploads/sites/2/2024/05/GettyImages_1850749458.jpg?quality=90&strip=all&crop=18.05%2C0%2C63.9%2C100&w=2400)
![The misleading, wasteful way we measure gas mileage, explained](https://platform.vox.com/wp-content/uploads/sites/2/2024/05/GettyImages_1850749458.jpg?quality=90&strip=all&crop=2.075%2C0%2C95.85%2C100&w=2400)
And how to measure fuel economy better.
![The reckless policies that helped fill our streets with ridiculously large cars](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/25415881/Vox_CarBloat_JaredBartman_static.png?quality=90&strip=all&crop=21.666666666667%2C0%2C56.666666666667%2C100&w=2400)
Dangerous, polluting SUVs and pickups took over America. Lawmakers are partly to blame.
![Driving at ridiculous speeds should be physically impossible](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/25311494/AP485395712478.jpg?quality=90&strip=all&crop=18.633333333333%2C0%2C66.666666666667%2C100&w=2400)
![Driving at ridiculous speeds should be physically impossible](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/25311494/AP485395712478.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Reckless speeding is epidemic in the US. This simple technology could save tens of thousands of lives.
![Why Norway — the poster child for electric cars — is having second thoughts](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/25045627/GettyImages_1266808482.jpg?quality=90&strip=all&crop=16.639236339697%2C0%2C66.721527320606%2C100&w=2400)
Electric cars are crucial, but not enough to solve climate change. We can’t let them crowd out car-free transit options.
![How to save America’s public transit systems from a doom spiral](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24534042/GettyImages_1460624449.jpg?quality=90&strip=all&crop=20.218839200761%2C0%2C59.562321598478%2C100&w=2400)
![How to save America’s public transit systems from a doom spiral](https://platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24534042/GettyImages_1460624449.jpg?quality=90&strip=all&crop=5.3282588011418%2C0%2C89.343482397716%2C100&w=2400)
Don’t let buses and subways become another casualty of the pandemic.