| http://www.w3.org/ns/prov#value | - When the octane boosting gasoline additive tetra ethyl lead was phased out in the industrial countries starting from the 1970s onwards, the refining industry started the search for high-octane components suitable to blend with gasoline such as alcohols and ethers in addition to increasing the capacity of reforming, catalytic cracking and other gasoline related processes.
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