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Kentucky Energy and Environment Cabinet reports that this June it awarded over $480,000 in grants to six counties for application of rubber-modified asphalt to roadways and $500,000 in grants – for projects that use rubber mulch from end-of-life tires. Rubberized asphalt grants As regards to the rubberized asphalt initiatives, counties receiving grants in Kentucky were approved on June 18 and include: Hardin ($114,514), Calloway ($56,100), Simpson ($85,830), McLean ($85,000), Butler ($101,430), and Green ($39,875).

SLTC – The Latin American Society of Rubber Technology (The Sociedad Latinoamericana de Tecnología del Caucho) – recently proudly announced the launch of their new Recycling Committee. SLTC highlighted its organizational scheme and general objectives, which we describe below. According to the SLTC, the Recycling Committee was born out of the need to find a place where all stakeholders related to tire recycling in Latin America can actively interact to enrich and develop the industry.

Boral Australia marked last week’s 50th anniversary of World Earth Day (22 April) by reinforcing their commitment to the circular economy with the country-wide launch of INNOVO asphalt system. Latin for ‘renew’, INNOVO is a sustainable asphalt system designed so customers can customize a unique asphalt mix containing all, one or a number of salvaged materials such as recycled end-of-life tire rubber, recycled plastic, recycled glass and other materials that would otherwise go to landfill.

Tyre Stewardship Australia (TSA) together with the Australian Road Research Board (ARRB) and Victorian Department of Transport are turning used tyres into a 1.4km road in Bentleigh using various mixes of crumb rubber asphalt. This innovative project aligns with Vic Government’s Recycled First Policy and is another example of how good partnerships are helping turn a tyre waste stream into a resource.

A trial organised by Transport for Victoria saw the introduction of OLEXOCRUMB®, the most recent product innovation from Puma Energy’s Global Bitumen Technology Centre in Altona, Victoria (Australia). The new asphalt binder was trialled in close collaboration with Boral Asphalt, as part of the Boral/Puma technology program. The company reports that OLEXOCRUMB® was specifically formulated to comply with existing Australian roads polymer modified binders (PMB) specifications.

Logan City Council in Queensland, Australia, reports that is has teamed with Tyre Stewardship Australia (TSA) to conduct trials of a new eco-friendly road surface. According to Logan City Council, the surface is a combination of recycled end-of-life tyres and reclaimed asphalt. Installation of the new surface on Lagoon Road, Carbrook is scheduled for this April. TSA has committed $150,000 to the trial and additional laboratory testing, which aims to prove that the new surface will be as good as, or better than, standard road sealing. Logan City Council Director of Road Water Infrastructure Daryl Ross pinpoints Council is always looking at innovative ways to deliver better roads.

The global scrap tire problem has urged a number of business and researchers to seek advancement of circular economy. One of the global institutions that showed their concern with the issue is the Australian Road Research Board. It assessed on what level the sustainability is right now, and it looked at uptake of innovative recycled materials, including end-of-life rubber materials, in roads.

The event will become a perfect platform uniting tire and rubber industry professionals from all over the world. Experts representing all layers of the industry, as well as state authorities and scholars will share their perspectives on the state of affairs for tire recycling. They will also shed light on sustainability and what drives producers towards circular economy models, touch upon topics of tire-derived fuel, tire-derived aggregate, rubberized asphalt, ensuring safety at tire recycling plants, etc.

Liberty Tire Recycling, a big tire recycling company headquartered in Pittsburgh, PA, United States has presented a new dry-mix rubber additive labelled SmartMIX that can boost asphalt paving. The producer claims it can result in longer asphalt service and, durability and crack resistance. The product fully relies on scrap tires and does not require liquid modifiers. According to the manufacturer, all necessary tests have been already conducted to prove the quality of the product and start commercializing it.