I guess when diesel costs $4.29 a gallon, as it does here in Northern California, money really does grow on trees in the form of the diesel tree! The Brazilian Copaifera langsdorfii can be tapped like a rubber tree, to yield natural diesel fuel.
A Scrapbook of the Green World
- Environmental & Climate Science
Smithsonian Reports Spotted Owl In Danger Again
- Food & Drink
A Better Beer Bottle Part 2: One Million Beer Bottles Used...
- Green Buildings
A Glimpse of the Future of Green Architecture
- Climate Change
Venice Under Water: Deepest Flood in 22 Years
