More airports consider going off the grid as power outages ground flights

Pittsburgh International Airport is creating a "microgrid" to fully power itself with its own onsite natural gas and solar energy. Recent power outages at airports make this even more desirable.
Read more: https://www.cnbc.com/2019/11/03/more-airports-consider-going-off-the-grid-to-avoid-power-outages.html?source=Snapzu