Puerto Vallarta, Mexico - As Mexico prepares for the transition of power to its incoming president, Claudia Sheinbaum, a pressing challenge looms on the horizon: the nation's quest for energy independence may be undermined by a shortfall in domestic crude supply. This challenge arises despite the $17 billion investment by outgoing President Andrés Manuel López Obrador in a new refinery aimed at bolstering the country's energy self-sufficiency.