The resignations come at a time when authorities are probing claims that substandard fuel may have entered the Kenyan market through irregular procurement processes.
The matter has raised serious concerns about quality control, regulatory oversight and accountability within the energy sector.
According to preliminary reports, investigators are examining whether proper procedures were followed in the sourcing, testing and clearance of petroleum cargo. Questions have also been raised about whether existing safeguards were bypassed, potentially allowing fuel that did not meet required standards to be distributed to consumers.
The exit of the three senior officials is seen as a significant step in the unfolding developments, as pressure mounts on institutions within the energy sector to address the allegations and restore public confidence.
Their resignations are expected to pave the way for investigations to proceed without interference.
The alleged procurement of substandard fuel has sparked concern among motorists, businesses and industry stakeholders, given the potential risks associated with contaminated or low-quality petroleum products.
Such fuel can damage vehicle engines, affect machinery performance and lead to increased maintenance costs.
Regulatory agencies are mandated to ensure that all fuel imported into the country meets strict quality standards before it is released into the market.
The ongoing probe is therefore expected to focus on identifying any lapses in enforcement and determining responsibility for the alleged breach.
Kosgei did not provide further details on whether the officials would face additional action, but indicated that the government is committed to ensuring accountability.
He noted that appropriate measures would be taken based on the findings of the investigations.
The situation has also drawn attention from policymakers and oversight bodies, with calls for transparency and thorough scrutiny of the processes involved.
Parliament is expected to play a role in examining the matter, particularly in relation to regulatory compliance and institutional oversight.
Stakeholders in the energy sector have emphasised the need for swift and credible investigations to address public concerns and prevent similar incidents in the future.
Ensuring the integrity of the fuel supply chain remains critical to maintaining economic stability and protecting consumers.