Sustainable development blog : ecology and humanitarian aid

Biofuel, based on fuel derived from organic biomass from recently living animals or plants or their byproducts, has transformed from a niche alternative to fossil fuels (e.g., gasoline, diesel) to become a booming industry. Driven by a unique cocktail of energy security fears, rising oil prices, low barriers to entry, and government support, the biofuels sector has taken off over the past ten years. Any liquid that stores energy, which is typically utilized by an engine or generator, can be called a “fuel.” The term “biofuels” encompasses a wide range of fuels, including vegetable oils, animal fats, ethanol, biodiesel (any oil or fat that undergoes transesterification to more closely resemble mineral-based fuel), and synfuel (fuel made from gasified organic matter, then

Uranium, oil, water, natural gas - as power sources, all have the potential to run out during the course of human development, perhaps in the next couple of hundred years. Renewable sources can fudge this problem by using energy sources that either will last longer than the human race or