In Ryuo, a town of a little more than 10,000 residents, the Daihatsu plant employs about 4,000 full-time workers alone. A company that supplies more than 90 percent of its products to Daihatsu has ...

Leftovers from the fermentation process are used as fertilizer for farm products. Daihatsu officials said they eventually hope to add the biogas to the city gas at a mixture ratio of 10 percent or ...