From Hankooktire-eu.com: Kinergy eco : This tire was designed to satisfy customers riding comfort as well as maximizing fuel efficiency. Kinergy eco features & construction - Optimized pitch sequence - Optimized block stiffness - Wide straight 3 channel groove - Lateral shoulder grooves - Sawtooth type technology Kinergy eco’s Fuel Saving Technology was developed by combining new materials, such as nano-scale silica particles, using new mixing technology. These technologies help improve both fuel efficiency and wet braking performance.
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