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In the article “Is the Road to Sustainable Asphalt Paved with Tires?” published on December 11, 2020 in the ASC Central Sceince, Raleigh McElvery – a contributor to Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society – writes that “Mixing waste rubber from scrap tires into asphalt binder is one way to make pavement more environmentally friendly.” The article touches upon the topic of environment and shows how rubberized asphalt from end-of-life tires proves to be more environment-friendly than the common asphalt concrete. McElvery writes:

The U.S. Tire Manufacturers Association (USTMA), in partnership with The Ray – a nonprofit proving ground for sustainable transportation technologies – recently announced a research project to assess and compile existing research on the performance, environmental impacts and benefits of using ground tire rubber (GTR) in asphalt. The news was reported by an online magazine “The Published Reporter.” According to the source, the compiled research will result in a state of knowledge report that outlines existing research and identifies data gaps in the use of ground tire rubber in rubber modified asphalt.

Tyre Stewardship Australia (TSA) reports about a landmark project where asphalt made using crumb rubber from used tyres was laid on a busy Melbourne road. The project was co-funded by Tyre Stewardship Australia and it has won the prestigious Sustainable Transport Infrastructure Award at the National Transport Research Awards. The demonstration project across a 1.4km section of East Boundary Road in Bentleigh East, Victoria is supported by the Australian Road Research Board (ARRB) and the Victorian Department of Transport (DoT).

Despite hard efforts of the tire recycling and pyrolysis industry to develop new markets and increase recycling rates, recycled rubber based product markets demonstrate only moderate growth. To tackle the problem and allow thousands of tons of precious materials go back to consumer goods, numerous end-of-life tire management organizations, companies and research labs do their best to find new markets and develop innovative products out of scrap tire rubber.

A Hungarian city of Zalaegerszeg in the Zala region saw the construction of a new rubber bitumen plant capable of recycling 20,000 tons of scrap tires annually; the facility became operative this year. The company behind the plant construction is the local energy and chemical company MOL. Moreover, the development is possible thanks to a huge investment allocated by MOL; at the same time, the State Enterprise Investment Support Program also provided partial funding to the initiative. In total, the sum of investment is estimated at 3 billion Hungarian Forint.

The Tyre Stewardship Australia (TSA) has Congratulated Puma Bitumen Australia on winning the Innovation Award in the Australian Asphalt Pavement Association QLD 2020 Industry awards. TSA lauded Puma Bitumen for its great product, strong leadership and innovative work and mentioned it is funding with Puma to upgrade plant and facilities around Australia to supply increased volumes and enhanced crumb rubber products to road consumers nationally. Puma Bitumen Australia’s team recently won the Innovation award in the AAPA Queensland 2020 Industry awards. The invention of OLEXOCRUMB®, which incorporates recycled tyre rubber in a high performance bituminous road binder received the honour from the judging panel.

Novel asphalt additive for better, safer and environment-friendly roads has been developed by an EU-funded project Silent Rubber Pavements. The pavement industry faces different challenges in realizing more silent and eco-friendly pavements that need less maintenance. Crumb rubber, a granulated material obtained from scrap tires or other rubber goods, is a promising solution held back by several barriers.

Tyre Stewardship Australia (TSA) reports that Australia’s largest trial of asphalt produced from recycled tyres across six Adelaide council areas is set to pay dividends for the environment and the South Australian jobs market, paving the way for a new asphalt manufacturing facility worth around $5 million in Lonsdale. Adelaide-based Topcoat Asphalt expects to significantly boost local production of crumb rubber asphalt using waste tyres following the trial, funded by Tyre Stewardship Australia (TSA), with support from Tyrecycle Australia.

ElastikoTM ECR technology has been developed by Asphalt Plus, LLC since the early 2000s as a part of an engineered application system called “Dry Process Rubber.” ElastikoTM ECR has been used to modify millions of tons of asphalt mix in the US, and these modified mixes have been used on thousands of miles of heavy and medium traffic roads. TRS builds solutions for the processing and recycling of scrap tires through the development and implementation of innovative technologies. The company is deploying the technologies globally in a series of regional processing facilities. ElastikoTM ECR will allow TRS to vertically integrate their licensed tire recycling business by providing recycled rubber products to the asphalt paving and roofing markets.