The Energy Regulatory Commission has idntified 20 petrol stations that are selling contaminated fuel.
The commission conducted tests from January to March to monitor the quality fuels on sale.
In a newspaper notice, ERC stated that 4,476 tests were conducted at 778 sites.
"[Twenty or 2.6 per cent of the sites] turned out to be non-compliant, having mixed diesel or petrol with kerosene."
Here are the affected stations, Downer's (Kasarani, Nairobi), Perazim and Imperial (Longonot and Mzee wa Nyama, Nakuru), BM (Kanyakine, Meru), Jama (Mikinduri, Kirinyaga), Rice Enterprises (Laare, Meru) and unlicensed storage sites at Chulaimbo near Lela Market (Kisumu) and in Bukembe, Bungoma.These Chesno (Mauche, Nakuru), Joska (Kiirua, Meru), David Obua (Malaba, Busia), Christoper Hamisi, (Big Tree, Trans Nzoia), Lumakanda (Kakamega), Rosk (Mikinduri, Kirinyanga), Karandi (Laikipia) were reopened after upgrading their products.