WHOOSH! Land covered by the hydrokerosene fireballed when M. Thoriq ignited it. Flames jumped up, nipping at his hand. Thoriq, Director of PT Macro Sistem Infokom did not expect the fire to be so intense. “It went up right,” he told Tempo in Yogyakarta last week. “This is what is called Banyugeni.”

Thoriq, who is in charge of preparing the Banyugeni market, obtained the fuel sample three months ago. There are four types: hydropremium as