Michelin has unveiled the next X-Incity Energy Z, the first tyre in 275/70R22.5 with an axle load of eight tons which will allow future generations of electric buses to increase their capacities.
The company says that by the 2030s, 50 per cent of all buses will be electric, and this change towards a more sustainable mobility will likely see increased bus weight – weight created by the batteries required for power.
The new 275/70R22.5 152/148J X-Incity Energy Z tyre is Michelin’s answer to these new challenges. This tyre is constructed in such a way that it allows for a maximum axle load of eight tonnes with a load index of 152/148 which remains, however, within the standard dimension of 275/70R22.5. The company says it can be fitted either on the driving axle or on the steering axle. Its carcass is strengthened with special cables. The specific design of its tread and sidewall is optimised to bear the demands of city traffic, to reduce noise and rolling resistance.
“This innovation will open new perspectives for electric bus developers,” said Jean-Matthieu Bodin, Marketing manager Trucks & Bus Michelin Europe. “Thanks to the X-Incity Energy Z tyre, several constraints will disappear and will allow for a more sustainable urban mobility, with electric buses having the same capacity as current ones. In fact, an additional axle load of 500 kg means more battery autonomy and buses not having to reduce the number of passengers.”
Michelin says this new retreadable tyre also meets every requirement imposed by its urban utilisation. Designed to endure abrasion, pavement shocks and branded M+S and 3PMSF, it aims for excellent grip in any weather condition. The company’s Regenion technology is designed to ensure grip performance throughout its lifespan.