No, it wasn’t your imagination. 2019 was a historically warm year. During the summer, dozens of cities in the US sweltered under record-high temperatures and waited out historically long hot streaks.

Julianne Geiger is a veteran editor, writer and researcher for Oilprice.com, and a member of the Creative Professionals Networking Group. 2019 may have been fraught with volatile oil prices, but the ...