At Auto Expo 2023, MG Motor India introduced the Euniq 7, a multi-purpose vehicle built around its third-generation hydrogen fuel cell technology. Central to the design is the Prome P390 fuel cell system, which the company claims can deliver a driving range of up to 650 kilometers on a single refuelling. Rajeev Chaba, President and Managing Director of MG Motor India, stated, “As the industry continues exploring alternate fuel technologies, we are delighted to showcase the world’s leading hydrogen fuel-cell technology – Prome P390 to India.”
Hydrogen fuel cell vehicles operate by converting hydrogen into electricity through an electrochemical process, emitting only water vapor as a byproduct. MG emphasized that the Euniq 7 not only achieves zero carbon emissions but also functions as an air purifier, capable of cleaning air equivalent to the breathing volume of 150 adults during one hour of driving. This dual environmental benefit aligns with growing interest in clean mobility solutions that address both greenhouse gas emissions and urban air quality.
The Prome P390 system delivers 92 kW of power and reaches a peak operating efficiency of 60 percent. Such efficiency levels are notable in fuel cell engineering, where thermal management and electrochemical optimization are critical. The system is engineered to operate at temperatures up to 95 degrees Celsius and can perform cold starts at -30 degrees Celsius, a capability that expands its usability across diverse climates. Durability is another focal point, with the fuel cell rated for over 10,000 operational hours.
From a mechanical integration standpoint, the Prome P390 features an architecture that eliminates the need for external humidification. This design choice simplifies the system, potentially reducing maintenance requirements and improving reliability. The fuel cell’s dimensions—790 mm by 598 mm by 820 mm—reflect a compact form factor for the performance offered, allowing for integration into a multi-purpose vehicle without excessive spatial compromises.
Hydrogen fuel cell technology offers several advantages over conventional internal combustion engines and even some battery-electric configurations. Refuelling times are significantly shorter than charging large battery packs, high load capacity is maintained without range degradation, and the overall system efficiency can be competitive in specific duty cycles. These attributes make hydrogen fuel cells particularly attractive for applications requiring long range, quick turnaround, and consistent performance under load.
The Euniq 7’s unveiling occurred alongside MG Motor India’s presentation of the next-generation Hector SUV, which comes in five-, six-, and seven-seat configurations. The Hector incorporates safety features such as six airbags and a 360-degree HD camera, and integrates 11 Autonomous Level 2 (ADAS) features aimed at enhancing driving comfort and safety. While the Hector targets the mainstream SUV market, the Euniq 7 positions itself within the emerging segment of hydrogen-powered vehicles, signaling MG’s multi-pronged approach to advanced mobility technologies.
Hydrogen fuel cell development has been a focus for several automotive and aerospace sectors due to its potential for high energy density and clean operation. The Prome P390’s specifications suggest a mature technology platform capable of meeting demanding operational profiles. In aerospace contexts, similar fuel cell systems have been explored for auxiliary power units and unmanned aerial vehicles, where low emissions and high efficiency are critical. For ground vehicles like the Euniq 7, the combination of environmental benefits, operational flexibility, and performance metrics underscores the role hydrogen could play in diversifying the energy landscape.
The presentation at Auto Expo 2023 reflects a broader industry movement toward integrating alternative propulsion systems into commercially viable platforms. As hydrogen infrastructure expands and fuel cell costs decline through scaling and materials advances, vehicles like the Euniq 7 could become more accessible to a wider range of users. MG Motor India’s decision to showcase the Prome P390 in a production-ready vehicle highlights both the technical readiness and the strategic intent to position hydrogen alongside electric and hybrid solutions in the evolving mobility ecosystem.