VIENTIANE -- A business venture to roast coffee using clean hydrogen is underway in Laos, where abundant water resource can generate hydroelectricity at low costs.
Japan's TSB Greenex teams with 8 others to offer local coffee at low prices

Laos is one of the world's largest producers of coffee beans. © Reuters
VIENTIANE -- A business venture to roast coffee using clean hydrogen is underway in Laos, where abundant water resource can generate hydroelectricity at low costs.