TTPi Powering the Future of Zero-Emission, Long-Range Vehicles with ZELLOR

TTPi is proud to be part of the ZELLOR consortium, developing a next-generation zero-emission vehicle that addresses one of the biggest challenges in sustainable transport: achieving lightweight design, zero emissions, and long range simultaneously.

Grant funding is provided by UK Government, as part of the UK Government’s £4 billion DRIVE35 programme, delivered by the Department for Business and Trade in partnership with the Advanced Propulsion Centre UK and Innovate UK.

Sustainable mobility has historically faced a trilemma: vehicles that are lightweight, zero-emission, and long-range have been difficult to achieve together. Vehicle weight drives energy consumption, manufacturing emissions, and overall environmental impact. The ZELLOR project demonstrates that it is possible to overcome this challenge.

Key project targets:

  • Vehicle weight: under 1,000kg
  • Passenger capacity: 4 seats
  • Zero-emission range: over 400 miles

Project contributions:

  • TTPi: Advanced, highly efficient inverter technology, alongside ultra-efficient DC-DC Converters optimised for fuel cell systems.  
  • GreenFlux Motors: High power-density electric motors
  • Riversimple: Hydrogen fuel cell powertrain integration
  • Pi Engineering Consultancy: Co-developing the HIVE data capture tool

The project uses a modified Audi A2 as a demonstrator platform, enabling rapid development and real-world validation of these innovations.

Andrew Dargle, Chief Engineer at TTPi, said:
 “We create power electronic converters that reduce energy loss, precious raw material use and cost, while improving efficiency – so ZELLOR is a really fitting project for us. Demonstrating this could be really transformative for the auto industry.”

Ian Constance, CEO of the Advanced Propulsion Centre UK, said:

“The projects announced today demonstrate the UK’s determination to lead the shift to zero-emission mobility. By facilitating the UK Government’s DRIVE35 grants, we are turning world-class innovation into industrial capability. With our partners in DBT and Innovate UK, we are backing manufacturers, empowering SMEs, and strengthening the UK’s sovereign supply chain.
This multi-million pound support package is more than an investment in technology; it is an investment in the people, skills, and companies that will define the future of clean transport. Together, we are building the foundations of a competitive, resilient, and sustainable automotive industry.”

The ZELLOR project represents a significant step forward in sustainable vehicle development, combining lightweight engineering, advanced propulsion technologies, digital innovation, and zero-emission design to demonstrate what the next generation of personal transport can achieve.