(EnergyAsia, October 3, Wednesday) — US-based PetroSun, Incorporated said it has establishd a new wholly owned subsidiary, PetroSun BioFuels China, to introduce its algae-to-biofuels technology into the country.PetroSun BioFuels China will produce and market algae-based biodiesel and ethanol through a joint venture agreement and an exclusive agency agreement that will be announced this month.PetroSun’s operations…