https://www.cnbc.com/2017/08/21/how-to-follow-2017-eclipse-on-facebook.html >Authorities in Oregon are warning people not to watch Monday's solar eclipse from the side of the road, concerned about jammed freeways and car crashes caused by distracted drivers. >In California, officials who run the state's electric grid are preparing for a loss of solar power that could reach 67 percent. North Carolina could see a 90 percent drop in solar power supply.