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Quick Shift: Daily mobility news for 1.19.2018

It's almost the weekend, so go ahead and spike your coffee and grab a drone — unless you live in New Jersey — and let's jump right into the news.

Ford faces questions from U.S. senators over 'do not drive' warning

Two senators asked the Transportation Department to explain why a "do not drive" directive issued last week by Ford is limited to about 2,900 older pickup trucks and if other vehicles are potentially at risk from defective airbag inflators.