The Bridgestone Dueler HL 422 Ecopia Tire is the Eco-friendly tire we all have come to love. The quality wear and tread is connected to environmentally friendly technologies and the merge is a completely harmonious one. Nanopro Tech, for instance, creates both fuel efficient results and reduces CO2 emissions. Rolling resistance is improved as well. Silica is a traction enhancing feature. And engineered grooves in the tire improve performance in wet conditions. Enjoy the best of both quality innovation with the groundbreaking Dueler HL 422 Ecopia leading your drive.