THE man hurriedly left his house that had been converted into a solar power battery charging station in Kelan village, Kuta subdistrict, Bali. Carrying two lithium-ion batteries in the form of boxes resembling suitcases, he was walking to the seashore where several jukung boats, traditional boats made form logs, were moored. 

A moment later, he fastened the bolts between boat engines and the long rods to drive propellers. He also adeptly co