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"Out of all the pieces of tech that can be found in the modern automobile, the tire seems to be the part that has evolved the least over the years. To be more specific, fact that tires are still full of that archaic thing known as air has arguably led to more inconveniences than any other aspect of the car for the modern motorist.  Hankook&amp;#039;s new airless tire concept, known as the i-Flex, might just be the saving grace. Debuting at the 2013 Frankfurt Auto Show, the i-Flex tire concept is an all-in-one tire and rim combination and is, among other things, puncture proof. Due to the lack of rubber, it&amp;#039;s said to be lighter than the current tires of today, and 95 percent of the materials used in its construction are recyclable. Given its clever construction, the i-Flex is also said to improve fuel economy and ride comfort.  Hankook isn&amp;#039;t done there, however. They&amp;#039;re also working on what they&amp;#039;ve called the &amp;quot;eMembrane&amp;quot; concept, which is a tire that actually transforms and changes shape, depending on driving conditions. When driving at slow speeds, the center of the tire is not in contact with the road, which reduces rolling resistance, improving fuel economy and reducing road noise. When driving at high speeds, such as on the highway or at the track, the center of the tire extends and comes into contact with the road surface, providing more grip. Check out the video below to see how it works.      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/car-shows/frankfurt-auto-show/news/a5387/go-news-new-technology-hankooks-new-airless-tire-concept/>