- Energy News NetworkMarch 20, 2020
- Traffic Technology TodayMarch 19, 2020
- University of Minnesota Duluth NewsMarch 16, 2020
- Wall Street JournalMarch 14, 2020
- KSTP-5 TV NewsMarch 11, 2020
- Transport TopicsMarch 9, 2020
- Star TribuneMarch 7, 2020
- KSTP-5 TV NewsMarch 6, 2020
- CityLabMarch 4, 2020
- Star TribuneMarch 1, 2020