Shell is reportedly planning to quit its California-based joint venture with fellow oil supermajor ExxonMobil (-2.79%) as it looks to accelerate its transition away from fossil fuels. Four sources told Reuters that the FTSE blue chip had informed Exxon that it intended to exit subsidiary Aera Energy, in which it holds a 52 percent stake. The firm did not respond to a request for comment. If it does so, it will be the latest in a number of divestments the Anglo-Dutch giant has made this year amid growing pressure to up its climate commitments. Shell (-1.33%) has already sold refineries in Washington State and Houston, and is also mulling getting rid of its assets on shale shelf the Permian Basin. Aera is one of the Golden State’s biggest oil and gas producers, and employs around 1,100 people. Aera produces about 125,000 barrels of oil and 32m cubic feet […]