November 3, 2014
One form of recovery of the used oil to make artisan soap of it which is an environmental friendly way of recovery and additionally it is nice cultural tradition. However to conduct such activity on household, artisan level is almost impossible since all the necessary environmental permits cost HUF 650.000 for an artisan which amount excludes the health inspection testing.
List of necessary permits and related documents in Hungarian: http://kisleptek.hu/650000_szappan/