Business Day | US oil majors in U-turn on industry climate initiative Business Day London — US oil companies Exxon Mobil, Chevron and Occidental Petroleum will join an oil industry climate-change group led by their European rivals, after refusing to do so for years. The companies will become members of the Oil and Gas Climate ... US oil giants ExxonMobil and Chevron finally join a global climate initiative—as an Indian titan exits ExxonMobil agrees to join oil and gas climate change alliance Exxon Mobil and Chevron will join global energy giants in climate initiative, reversing position |