An abundance of fossil fuels combined with advances in technology to harness wind and solar power has sent energy prices crashing around the world. WSJ explains how it all happened at once. Photo illustration: Carlos Waters/WSJ (Originally published July 21, 2020) Exxon Mobil Corp. has lowered its outlook on oil prices for much of the next decade, according to internal company documents reviewed by The Wall Street Journal. As part of an internal financial-planning process conducted this fall, Exxon cut its expectations for future oil prices for each of the next seven years by 11% to 17%, according to the documents. The…