Balfour Beatty: 16% Emissions Cut on Rail Plant with Hydrogen Tech

Balfour Beatty slashes rail plant emissions by 15.79% using Engine Carbon Clean technology, extending asset life and meeting crucial ESG targets.

Balfour Beatty: 16% Emissions Cut on Rail Plant with Hydrogen Tech
January 7, 2026 5:39 pm

LONDON, UK – Infrastructure giant Balfour Beatty has successfully trialled an innovative hydrogen-based engine cleaning technology on its rail maintenance fleet, achieving a significant 15.79% reduction in carbon emissions. The move, a first for rail-mounted plant, underscores the company’s strategy of enhancing the efficiency and lifespan of existing assets to meet stringent new ESG standards.

CategoryDetails
CompanyBalfour Beatty
TechnologyEngine Carbon Clean (ECC) by Advanced Hydrogen Technologies
Trial AssetPlasser and Theuer Compact Tamper
Key Result15.79% reduction in carbon emissions
Strategic ContextMaximising value from mature assets; addressing Scope 1 emissions

Main Body:

Balfour Beatty announced today the successful completion of a trial for the Engine Carbon Clean (ECC) system, making it the first infrastructure company to apply the technology to rail-mounted plant. The trial, conducted on a Plasser and Theuer compact tamper, simulated a full year of typical usage and maintenance cycles, delivering a verified 15.79% cut in emissions alongside notable improvements in fuel efficiency and engine performance. Following this success, the company confirmed its intention to deploy the ECC service across its entire fleet of tampers, directly targeting its Scope 1 operational emissions.

The ECC system functions by using a modular on-demand electrolyser to produce oxyhydrogen gas from tap water. This gas is then introduced into the engine’s air intake, where it reacts with built-up carbon deposits during combustion. This process effectively cleans internal components, including the diesel particulate filter (DPF), allowing the engine to operate closer to original manufacturer specifications. The technology requires no compressed gas storage or harmful additives and is compatible with a wide range of internal combustion engines, including those running on diesel, petrol, HVO, and other biofuels.

This initiative aligns perfectly with Balfour Beatty’s recently highlighted corporate strategy of maximizing value from its mature assets, coming just days after the company announced the £87m sale of ten UK infrastructure assets to Equitix. Rather than pursuing costly fleet replacement, this approach focuses on optimising the performance and extending the life of existing machinery. “ECC is a simple and non-intrusive solution that fits seamlessly into our servicing schedules,” said George Chaplin, Investment and Innovation Manager at Balfour Beatty. “By extending engine life, reducing maintenance requirements, and lowering fuel consumption, ECC delivers measurable carbon and costs savings.” Ben Kattenhorn, CEO of Engine Carbon Clean, added that the technology helps companies meet new ESG compliance requirements mandated by the International Financial Reporting Standards.

Key Takeaways

  • Significant Emissions Cut: Balfour Beatty achieved a 15.79% reduction in carbon emissions from a rail tamper, providing a proven method for decarbonising legacy plant equipment.
  • Strategic Asset Optimisation: The trial is part of a wider strategy to enhance the performance and longevity of existing assets, reducing the need for immediate capital-intensive fleet replacement.
  • Fleet-Wide Rollout: Following the trial’s success, the ECC technology will be implemented across Balfour Beatty’s entire tamper fleet, marking a serious commitment to reducing Scope 1 emissions.

Editor’s Analysis

In an industry grappling with the challenge of decarbonising a vast and varied fleet of legacy diesel-powered machinery, Balfour Beatty’s adoption of ECC is a landmark move. It represents a highly pragmatic and immediately deployable “bridge” solution. While the long-term future may lie in full electrification or hydrogen fuel cells, those technologies require immense capital investment and infrastructure change. This technology offers a cost-effective method to tackle Scope 1 emissions and improve operational efficiency *now*. For contractors and fleet operators globally, this demonstrates a viable pathway to meet pressing ESG targets and reduce fuel costs without retiring perfectly functional, high-value assets prematurely.

Frequently Asked Questions

What is Engine Carbon Clean (ECC)?
Engine Carbon Clean is a patented system that generates oxyhydrogen gas from water on-demand. The gas is fed into an engine’s air intake to burn off carbon deposits from internal components, restoring efficiency, reducing emissions, and improving performance.

What were the specific results of the Balfour Beatty trial?
The trial, conducted on a Plasser and Theuer tamper, resulted in a 15.79% reduction in carbon emissions. It also demonstrated improved fuel efficiency and better engine performance, with the added benefits of lower maintenance needs and extended asset life.

Why is this technology important for the rail industry?
It provides an immediate and non-intrusive solution for reducing emissions from the large number of diesel-powered plant and maintenance vehicles currently in service. It allows operators to meet environmental targets and cut fuel costs without the immediate need for expensive fleet replacement.