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 Chevron Corp. is in talks to invest in one of Iraq’s large oil fields, according to people familiar with the situation, providing a vote of confidence in the country’s energy industry despite years of instability and start-and-stop foreign investment. Chevron and the Iraqi government tentatively plan to sign a memorandum of understanding to develop one of Iraq’s large oil fields in the south of the country, according to these people. The preliminary deal, if it is consummated, could be announced later this week during a… Continue reading your article with a WSJ membership