SulNOx Group PLC is a United Kingdom-based company that provides fuel emulsifier products. The Company’s fuel emulsifier technology reduces emissions of polluting gases in combustion engines. Its methodology and process emulsify hydrocarbon fuels such as diesel and Heavy Fuel Oil (HFO). Its products include Berol 6446 HFO Fuel Emulsifier and Berol 6430 Diesel Fuel Conditioner. One emulsifier is for use with diesel fuel while the second is primarily for HFO applications. It serves various industries, such as power generation, heating, road transport and shipping and rail.