Feeling squeezed from gas prices? Why not make your own?
The world throws away about a third of all food produced each year. In Australia, that equates to more than 7 million tonnes of edible food, and is estimated to cost the economy more than $36 billion a year, according to a report commissioned by the federal government. At the same time, many of us cook with gas, which is increasingly expensive and contributes to greenhouse gas pollution. But there is a growing movement of people and businesses looking to kill two birds with one stone. Load Making biogas at home from leftover food, which can then be used for cooking, is getting simpler. Several companies now offer large-scale systems for restaurants and even refugee camps, as well as basic home arrangements. About six years ago, Annett and Paul left city life in Sydney and moved to northern New South Wales, where they built a small off-grid house. As part of the arrangement, they installed a biogas food digester which they use to feed leftovers and toilet waste. From that organic mater
