JAKARTA and MAKASSAR, South Sulawesi Province, Indonesia (Reuters) — Jakarta food and beverages retailer Ong Tek Tjan sells ice cream in cups his customers can eat afterwards, instead of throwing them away. The cups  are made from seaweed and taste like jelly, in flavors from peppermint to green tea. Indonesian start-up Evoware, which makes the cups, as well as other containers, from farmed seaweed free of chemicals, is relying on its biodegradable alternative to plastic […]