You are here

Renewable energy from coffee-bean wastewater

Central American project taps biogas from the 'honey water'

COFFEE'S NEW BOOST: The project produces biogas, reduces pollution and uses a lot less water.

Matagalpa, Nicaragua

THAT cup of coffee gives many of us a needed boost, but Central American coffee farmers have found a new source of energy in their beans: turning agricultural wastewater into biogas.

An often-overlooked byproduct of the world's favourite stimulant, the water...

Market voices on: