Breakthrough Advanced Casing Technology delivers a significant reduction in irregular wear* and improved fuel economy** to Michelin?s latest wide base single tire for regional operations.- Irregular wear is reduced by Advanced Casing Technology, microsipes, a solid shoulder and a wide Infini-Coil.- Advanced Technology Compounds help reduce rolling resistance ? promoting low fuel consumption with no compromise in mileage, durability or casing endurance.- Outstanding handling comes from an optimized architecture that features wide grooves to promote water evacuation.- Extended casing life comes from using waved groove bottoms and stone ejectors that help defend against stone drilling.