Costco rations motor oil as prices quadruple and supplies dwindle

Costco: Costco is a major US warehouse club retailer that sells bulk consumer goods, including its private-label Kirkland Signature products, to members at competitive prices. In the current news context, Costco has begun implementing purchase limits on synthetic motor oil as part of a broader response to supply constraints affecting the lubricant market. The retailer is adjusting sales practices to manage demand for these essential automotive products amid industry-wide pressures. Retail Response: Major warehouse retailers are introducing purchase limits on motor oil products to manage constrained supplies. Industry Pressure: Broader energy market strains are affecting the availability of petroleum products needed for lubricant manufacturing. Supply Disruption: Global shortages of premium base oils used in synthetic motor oil are linked to production outages and shipping issues in the Middle East.