How fuel marking technology protects public health and energy security
Opinion
By
Thuo Njoroge
| Apr 29, 2026
Kenya’s fuel sector continues to grapple with persistent challenges, including adulteration, smuggling, tax evasion and the loss of billions in revenue that could otherwise fund critical services such as roads, hospitals and schools.
In this context, the Energy and Petroleum Regulatory Authority (EPRA)’s Fuel Integrity Solution (FIS) stands out as one of the most effective tools for ensuring that every litre of fuel consumed in Kenya is authentic, safe and properly taxed.
Fuel marking works by introducing minute forensic chemical markers into legitimate petroleum products at key points in the supply chain. These markers are invisible to the naked eye, do not alter fuel quality or compromise engine performance, and can be rapidly detected in the field or in the laboratory.
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The FIS integrates advanced forensic marking technology with real-time monitoring, mobile inspection units and data analytics to provide end-to-end traceability—from import terminals to the pump. This enables authorities to detect tampering and provide forensic evidence where necessary.
The system is not new to Kenya. EPRA first rolled out fuel marking several years ago, initially focusing on export-grade fuel. The programme has since expanded to cover both domestic-use and export fuel, giving Kenya one of the most comprehensive fuel integrity systems in East Africa. Similar technology is already operational in Tanzania and Uganda, creating a growing regional shield against cross-border fuel fraud and its negative impact on markets, public revenue and the environment.
Importantly, these markers have been rigorously tested and proven safe. They have been used continuously for up to a decade across ten markets in Europe, Asia and the Middle East, with no documented harm to consumers, engines or the environment.
The markers comply with the European Union’s strict REACH regulations and have undergone extensive testing by internationally accredited laboratories, including Eurofins and Socotec. These assessments, which evaluated the markers’ environmental impact under engine operating conditions, confirmed that they are harmless and pose no adverse health or environmental risks.
Fuel markers are applied in extremely low concentrations—typically in parts per billion (ppb) to low parts per million (ppm). For comparison, many standard fuel additives and even base petroleum contain trace compounds at similar or higher levels.
Regulatory authorities, including EPRA, apply stringent selection criteria and pre-approval testing to avoid the risks associated with earlier, less sophisticated marking solutions that were later found to be carcinogenic and environmentally harmful.
The benefits to Kenya are significant. By deterring adulteration and smuggling, the FIS safeguards government revenue, ensures high-quality fuel reaches consumers and helps reduce harmful emissions from substandard products. It also creates a level playing field for compliant businesses while enabling law enforcement agencies to obtain court-admissible forensic evidence quickly.
However, technology alone is not a cure-all. Its effectiveness depends on strong governance, transparency and public trust. When deployed responsibly as EPRA has done through rigorous procurement, continuous verification and expanded domestic coverage—fuel marking becomes a powerful tool for strengthening fiscal integrity and protecting public health.
Ultimately, consumers deserve fuel that is not only affordable but also verifiably safe and legitimate.
The writer is an energy economist and Director of Research and Policy at Canales Auty International.