bio-energy

Two different processes soon may be the favored dynamic duo to turn food waste into green energy

In a classic tale of turning trash into treasure, two different processes soon may be

In comparison with other fossil fuels, charcoal emits low levels of sulphur and nitrogen oxides. This would result in lower local air pollution. Photo: Thor Nielsen
Lopwood and brushwood make high-grade charcoal

When the forestry machines have finished extracting timber, what is left are tops and branches