The Michelin X One Line Grip D wide base tire is designed for severe weather conditions and provide exceptional snow traction. The tire has wide open shoulder grooves, and is available in 445/50R22.5 and 455/55R22.5 sizes. It meets SmartWay requirements, is greenhouse-gas regulation compliant and allows fleets to carry 389 lbs of additional payload versus dual-wheel applications, according to the company. Replacing the Michelin X One XDN2 with the Line Grip D and its enhanced tread compound results in an estimated annual fuel savings of $550 by based on estimated fuel price of $2.99 per gallon.