over the next few years, johnson encouraged his scientists to develop the company's many non-cfc aerosol propellants and pulled his aerosol business out of several countries in which cfcs were mandated in aerosol production. three years after johnson recalled and ceased production of all cfc products, the u.s. government corroborated the research of the substance's harmful effects and unilaterally banned cfcs. johnson was praised for his early decision.