On the day of the Super Bowl, the city’s light-rail trains werereserved for Super Bowl ticket holders only December 2014: The season of being "super single." Since then, Nebraska has been able to maintain some of thelowest rates of electricityin the country. ; Davis’s sister in Atlanta has asthma, so she can’t stay with her either. In an effort to not put her family at risk, she’s staying by herself in her apartment. “That’s all I can do to protect them,” she explains.