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Welcome to COT – Clean Oil Technology AB (publ)

COT develops and markets a patented environmental technology, which continuously eliminates liquid contaminations in lubricating and hydraulic oils while the engine/machine is operating. COT Oil Refiner System® reduces free and dissolved liquid in hydraulic oils well below 100 PPM. The system’s continuous operation minimizes the need for stops due to oil change. COT Oil Refiner System® also facilitates the conversion to biofuels by minimizing the deterioration of oils caused by biofuels. The system’s simple design and limited maintenance needs enable an economic operation in hydraulic and industrial applications.

COT is a Swedish public company with its headquartered in Anderstorp, Sweden. The COT share is since April1, 2014, listed on the Alternativa Aktiemarknaden in Sweden.

COT’s three business sectors:

  • Bio Fuel: Engines operated with biofuels.
  • Hydraulic Stationary: Hydraulic oils in stationary installations
  • Hydraulic Mobile: Construction equipment, Forestry equipment, Agricultural and Marin