Grupo Castrosua – Busworld Brussels 2025

Sustainability climbs aboard the bus too. At Busworld Brussels, Grupo Castrosúa’s new HERO model fitted Rice Tab into its interior and into its own stand, bringing rice husk to one of the most demanding sectors there is: passenger transport.

The new HERO bus, unveiled by Grupo Castrosúa at the international Busworld fair in Brussels, uses Rice Tab among its interior materials, showing that sustainability can be built into passenger transport in a real, functional way.

Built on a Volvo Group BZR chassis, HERO is a showcase of innovation, efficiency and design, with Rice Tab providing a circular, hard-wearing and technically advanced solution made from rice husk.

Beyond the vehicle interior, Rice Tab was also the material chosen for Castrosúa’s stand at the fair, reinforcing a shared vision rooted in responsible innovation and the circular economy.

This project shows how sustainable materials can transform demanding industrial sectors without giving up quality, design or durability.

If it holds up on a bus, it holds up almost anywhere.

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