http://wanderinggaia.com/2010/09/05/guinea-pig-power/
Guinea Pig Power by Gaia Pachacamac: Guinea pigs, those Andean rodents so beloved by European children as pets, are more than strokeable, tailless rats – they have uses. Many. The ingenious people of the rural town of Pachacamac, outside Lima, are using the furry fellas to light their homes, cook their food, grow their veggies, power their televisions and, this is Peru after all, line their bellies. <more>