CNBC | Oil could be toppled as North America's largest energy source this ... CNBC Oil will be toppled as North America's primary energy source this year, according to risk management firm DNV GL, with natural gas and electrification set to ... Oil Demand Seen Peaking by 2023 While Climate Targets Missed Risk management firm DNV GL sees oil demand peaking in 2023 Report: Global oil demand to peak in 2023 |