Yokohama's Eco-Friendly Tire Passes Tire Rack Test With Flying Colors

Press and News Tires

FULLERTON, CA – Yokohama Tire Corporation’s eco-friendly dB Super E-specTM tire, which is composed of 80 percent non-petroleum-based products, accumulated high test scores when compared to low rolling resistance competitors during Tire Rack’s recent Real World Road Ride.

“The Tire Rack test shows that the dB Super E-spec, which introduces new technology in tire materials and design, is noticeably better on all-around performance,” said Mark Chung, YTC director, corporate strategy and planning. “Compared to standard tires on a Prius, both the fuel efficiency and handling are improved, and compared with other conventional tires that offer enhanced fuel efficiency, the dB Super E-Spec excels in driving performance. As the only manufacturer reducing petroleum by infusing orange oil into the tires, the dB Super E-spec stands above the competition.”

Seven 185/65R15-sized OE and aftermarket tires with low rolling resistance capabilities were compared during more than 550 miles of real-world driving in a Toyota Prius on expressways, state highways and public roads. The dB Super E-spec was top-rated in handling, according to Tire Rack, which stated: “…the personality and drivability of the Prius can be affected by what tire is installed. The firm ride of the dB Super E-spec paid back with a quick, athletic feel as it responded crisply to driver inputs.”

The eco-focused dB Super E-spec mixes sustainable orange oil and natural rubber making it 80 percent petroleum free. The tire, which hit the U.S. market in July and is available in four sizes, also improves fuel efficiency via a 20-percent reduction in rolling resistance and by its proprietary Advanced Inner Liner, which is lighter than conventional butyl liner. The Advanced Inner Liner minimizes tire weight and reduces air loss to help the tire stay properly inflated.

“We feel the Tire Rack test shows that the dB Super E-spec is the perfect tire for consumers seeking a blend of excellent traction and handling in addition to environmental benefits,” said Chung. “It reinforces our feeling that Yokohama is the only brand introducing tomorrow’s technology today.”

Yokohama Tire Corporation is the North American manufacturing and marketing arm of Tokyo, Japan-based The Yokohama Rubber Co., Ltd., a global manufacturing and sales company of premium tires since 1917. Servicing a network of more than 4,500 points of sale in the U.S., Yokohama Tire Corporation is a leader in technology and innovation. The company’s complete product line includes the dB Super E-specTM – the world’s first tire to use orange oil to reduce petroleum – as well as tires for high-performance, light truck, passenger car, commercial truck and bus, and off-the-road mining and construction applications. For more information on Yokohama’s extensive product line, visit

Yokohama is a strong supporter of the tire care and safety guidelines established by the Rubber Manufacturers Association and the National Highway Transportation and Safety Administration. Details can be found at the “Tire Safety” section at

Jeff Green, PCGCampbell

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