The Bridgestone Ecopia EP422 Plus tire is designed to be highly fuel efficient, allowing you to travel an additional 20 miles per tank of gas. It is also built to be long-lasting, offering a treadwear limited warranty of 70,000 miles. This tire is specifically engineered for popular sedans and minivans, providing reliable performance in all seasons. It delivers confident handling and a smooth and comfortable ride. The comparison testing in the laboratory shows that the Ecopia EP422 Plus has lower rolling resistance than the Firestone FR710, resulting in the additional 20 miles per tank. However, the actual results may vary depending on factors such as tire maintenance, vehicle, driving style, and road conditions.