Question: Genie Energy and which other oil and gas company, considered one of the seven 'Supermajor' oil companies, owns American Shale Oil, the developers of in-situ shale oil extraction technology in Rifle, Colorado?
Sentence (from "American Shale Oil"): The American Shale Oil, LLC (AMSO), originally known as EGL Oil Shale, LLC, was a developer of in-situ shale oil extraction technology based in Rifle, Colorado.
Relevant evidence: Yes