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The airless tires on the Fine-Comfort Ride are comprised of a band of rubber around a plastic-aluminum hub, reports Bloomberg. Sumitomo Rubber Industries supplied the tires for Toyota. Sumitomo unveiled their Smart Tyre Concept, which includes the airless component, at the Tokyo Motor Show and said in a press release, “Airless tires contribute to greater safety and peace of mind in transportation by freeing the driver from worries about punctures and the trouble of having to manage tire pressure.” Sumitomo said there’s interest from other Japanese carmakers as well.

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Sato said, “For automakers, the attraction of airless tires is for electrified vehicles.” At the moment the concept tires still weigh about as much as pneumatic tires, but the technology could develop to trim five kilograms – around 11 pounds – from each tire. That’s around 30 percent of each tire’s weight, and the development could come as early as 2025.

Sumitomo airless tire project head Wako Iwamura said he aims to have a commercial product by 2020, according to Bloomberg, and that his tires are already comparable in price with those requiring air. The company has already been testing the tires on golf carts and minicars.

Sumitomo also pioneered what they called the world’s first 100 percent fossil resource-free tires using all-natural materials back in 2013, and said since then they’ve been working to create “proprietary biomass materials based on raw materials derived from plants.”


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