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# SER's Hydrogen Retrofit Trials Cut CO2 and Boost Efficiency
- URL: https://www.industrialbriefs.com/hydrogen-retrofit-trials-construction/
- Published: 2026-09-16T17:30:27.000Z
- Updated: 2026-09-16T17:30:48.000Z
- Description: Stevens Equipment Rental's trial of hydrogen retrofit systems on heavy machinery shows promising reductions in fuel consumption and CO2 emissions, offering a practical decarbonization path for the construction industry.
- Author: IndustrialBriefs
- Tags: construction, sustainability, #enriched

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Stevens Equipment Rental (SER) has successfully trialed the Ultimate Cell hydrogen retrofit power systems, showcasing a promising step towards decarbonizing heavy machinery. This trial holds significant implications for the construction industry as it seeks to reduce carbon emissions while maintaining operational efficiency.

**What Happened**  
SER conducted a nine-month trial of the Ultimate Cell system on two machines: a 35-tonne Volvo excavator and an 18-tonne loading shovel. The trial involved three months of baseline data collection followed by six months of active monitoring. Results indicated consistent [fuel savings](https://www.industrialbriefs.com/national-pile-croppers-pc-400-launch/) and [emissions reductions](https://www.industrialbriefs.com/bechtel-sabine-pass-lng-contract/). The excavator, used for 2,000 hours annually, demonstrated potential savings of thousands of liters of fuel and over ten tonnes of CO2\. In optimal conditions, fuel savings exceeded 25%. The loading shovel also showed notable reductions, with over 10% savings in some scenarios. Operators reported enhanced torque, smoother operation, and quieter engines.

The Ultimate Cell system operates by drawing low amperage from the engine battery to split an electrolyte fluid into hydrogen and oxygen. These gases are then injected into the engine's air intake, catalyzing more efficient fuel combustion and reducing soot production. The system is non-invasive, requiring no additional training, and involves minimal maintenance, primarily electrolyte replacement. It can be easily removed or transferred between machines, allowing flexibility for equipment operators.

Mark Need, sales manager for Scotland and the north of England at SER, emphasized the system's practicality. "While the industry waits for large-scale electric or full-hydrogen solutions to become commercially viable for heavy earthmoving, this trial proves our customers can use Ultimate Cell to reduce their impact today," Need stated.

**What This Means for Your Business**  
For AECM professionals, the successful trial of the Ultimate Cell system provides an immediate opportunity to enhance sustainability efforts without waiting for full electric or hydrogen machinery to become the norm. Installing this retrofit system can improve contractors' ESG credentials, making them more competitive when bidding for major infrastructure projects. The system offers a substantial return on investment through fuel savings and reduced emissions, addressing both economic and environmental concerns. The minimal maintenance and ease of transferability further increase its attractiveness for fleet operators.

**What US Operators Should Watch**  
As the [construction industry](https://www.industrialbriefs.com/skanska-energy-efficient-office-krakow/) increasingly focuses on sustainability, keeping an eye on developments in hydrogen technology becomes crucial. Operators should monitor progress in retrofit solutions like Ultimate Cell, which offer immediate benefits. Additionally, staying informed about potential federal incentives or funding for adopting green technologies could provide financial support for implementing these systems. Finally, as industry standards evolve, maintaining compliance with emerging environmental regulations will be essential for maintaining competitive advantage.

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*Source: The Construction Index.* [*Read the original story ->*](https://www.theconstructionindex.co.uk/news/view/ser-trials-hydrogen-add-on-power?ref=industrialbriefs.com)