https://www.bizinsider.co/p/operational-excellence-opex-insight-260512BizInsider: Business | AI | Franchise | Strategy | OE | Leanen2026-05-12T14:47:38+00:00Operational Excellence (OPEX) Insight – Tuesday - May 12, 2026: $4.51 Per Gallon, 2 Million Empty Seats: Aviation's Fuel Shock Hits Home.