HAZARD OIL INTO SOLAR BIO

Students are accompanied by teachers to be processed by solar bio fuel to diesel engines at SMK N 2 Salatiga, Central Java, Wednesday (3/12). Teachers and students in the school change the ugly oil, alcohol, catalysts processed by transesterification so that it produces more efficient and cost-effective alternative fuel innovation. ANTARA PHOTO/Aloysius Jarot Nugroh/ed/Spt/14