From www.scienceinafrica.co.za which is conducting water usage studies on Jatropha in Africa. The Jatropha curcas tree, originates from Mexico. It’s oil-producing seeds (30%-35% oil) and entire plant are inedible (toxic) to humans, and most animals and birds. It produces for 50 years. A small tree or shrub with a maximum height of 5 m, Jatropha curcas reportedly grows readily in areas of low rainfall (from 250 mm a year) and in poor soils, however, yield … Read more

Biofuel Roadmap Barriers

by Alice Friedemann Released April 10, 2007 “The nation that destroys its soil destroys itself.” – President Franklin D. Roosevelt Peak Soil: Why Cellulosic ethanol and other Biofuels are Not Sustainable and are a Threat to America’s National Security  Part 1. The Dirt on Dirt.  Part 2. The Poop on Ethanol: Energy Returned on Energy Invested (EROEI)  Part 3. Biofuel is a Grim Reaper.  Part 4. Biodiesel: Can we eat enough … Read more