Durban — He’s a bright science-loving youngster with future plans – and he won’t let South Africa’s youth unemployment hold him back.Two years of constant tinkering on the prototype of a solar vehicle have paid off and now S’qiniseko Mpilenhle Mpontshane, 19, will fly to Bali on Tuesday to compete in the International Science Technology Engineering Competition in Indonesia.For the Grade 12 pupil at Mandla Mthethwa School of Excellence in Ndumu, the moment is surreal and he is as nervous as he is excited.“It’s big, it’s one of the biggest moments in my life. I never…