Ancient grains are having a moment, and few crops carry as much historical weight as amaranth. Cultivated by pre-Columbian civilizations and prized for its dense protein, minerals, and bioactive ...
Researchers in Saskatchewan show that oxidative torrefaction converts canola straw, hemp straw, oat hulls, and wheat straw into coal-like biofuels with heating values up to 29 MJ/kg, far outperforming ...