Fann eina síðu þar sem fjallað er um Benzyne…http://www.websters-online-dictionary.org/def inition/english/Be/Benzene.html. “As a gasoline additive, benzene increases the octane rating and reduces knocking. As a result, gasoline once often contained several percent benzene, although in the 1950s tetraethyl lead replaced it as the most widely used antiknock additive. However, with the global phaseout of leaded gasoline, benzene has made a comeback as a gasoline additive in some nations. In...