The European Union is preparing to loosen methane rules on imported oil and gas as the bloc scrambles to secure supply in the wake of the U.S.-Iran war. Brussels is set to introduce “flexibilities” to its methane regulations, allowing importers to comply without tracing emissions data back to individual cargoes. Instead, countries exporting to the EU will only need to show that a sufficient share of their national production meets the standards, according to the European Commission. The change comes ahead of a 2027 expansion of the…