Marelli Debuts Next-Gen Multi-Fuel ECUs to Power Global Propulsion Diversity

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"As adoption speeds for propulsion technologies vary, Marelli continues to support customers across the powertrain spectrum. In markets where internal combustion engines remain relevant, our new engine control units enable greater efficiency, emissions reduction, and versatility.” - Giovanni Mastrangelo, Head - R&D, Propulsion -Marelli

March 2026 : As the global automotive landscape pivots toward a multi-pathway approach to decarbonization, mobility technology giant Marelli has recently announced the launch of its new generation of Port Fuel Injection Engine Control Units (PFI ECUs). Engineered specifically for gasoline, flex-fuel (ethanol, methanol, synthetic fuels), and Compressed Natural Gas (CNG) applications, the new portfolio represents a strategic leap in energy efficiency and emissions compliance.

The launch is strategically targeted at the India, Brazil, and EMEA markets - regions where internal combustion engines (ICE) and alternative fuels remain pivotal to the mobility mix. By designing, validating, and producing these units locally, Marelli is offering automakers a trifecta of optimized costs, rapid deployment, and region-specific technical support.

At the heart of these ECUs lies the advanced Infineon AURIX™ TC3x microcontroller, enabling high-speed multitasking and robust reliability. The architecture is built for the modern era, featuring an open-system design that allows for third-party application integration and Firmware Over-the-Air (FOTA) updates.

The units are high-performance workhorses, capable of managing up to eight gasoline and four CNG injector drivers. With integrated combustion algorithms and wide-range O2 UEGO sensors, the technology ensures precise air-fuel ratio monitoring, essential for meeting tightening global emission standards.

Addressing the need for adaptable technology, Giovanni Mastrangelo, Head of R&D for Marelli’s Propulsion business, stated: "As adoption speeds for propulsion technologies vary, Marelli continues to support customers across the powertrain spectrum. In markets where internal combustion engines remain relevant, our new engine control units enable greater efficiency, emissions reduction, and versatility. This reflects our system-driven approach and know-how in vehicle control, conventional and alternative fuel injection technologies and transmission systems."

Beyond performance, the new range prioritizes security and safety. The systems include anti-tuning protection and comply with ISO26262 ASIL D functional safety standards. For manufacturers in India and Brazil looking to bridge the gap between traditional fuels and a greener future, Marelli’s 20-year expertise in flex-fuel patented strategies provides a proven, plug-and-play solution for the next generation of vehicle architectures.

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