OpinionOptimism, not anger, is best industry approach on energy transitionEnergy transition was on the 23rd World Petroleum Congress agenda, but industry leaders differed on whether to tap the accelerator or ride the brakeRallying support: "Let’s keep accelerating progress," Chevron chief executive Mike Wirth told the 23rd World Petroleum Congress last week in HoustonPhoto: PHIL MCCARTEN/CORPORATEEVENTIMAGES/UPSTREAMEditorial