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Earlier this century, jatropha was hailed as a "wonder" biofuel. An unassuming shrubby tree belonging to Central America, it was extremely promoted as a high-yielding, drought-tolerant biofuel feedstock that could grow on abject lands across Latin America, Africa and Asia.
A jatropha rush ensued, with more than 900,000 hectares (2.2 million acres) planted by 2008. But the bubble burst. Low yields led to plantation failures almost all over. The consequences of the jatropha crash was polluted by allegations of land grabbing, mismanagement, and overblown carbon decrease claims.
Today, some researchers continue pursuing the evasive pledge of high-yielding jatropha. A return, they state, depends on cracking the yield issue and addressing the hazardous land-use issues intertwined with its initial failure.
The sole staying big jatropha plantation is in Ghana. The plantation owner claims high-yield domesticated ranges have actually been attained and a new boom is at hand. But even if this return fails, the world's experience of jatropha holds crucial lessons for any appealing up-and-coming biofuel.
At the start of the 21st century, Jatropha curcas, a simple shrub-like tree belonging to Central America, was planted across the world. The rush to jatropha was driven by its promise as a sustainable source of biofuel that could be grown on degraded, unfertile lands so as not to displace food crops. But inflated claims of high yields failed.
Now, after years of research study and development, the sole remaining big plantation focused on growing jatropha is in Ghana. And Singapore-based jOil, which owns that plantation, claims the jatropha comeback is on.
"All those companies that failed, embraced a plug-and-play design of hunting for the wild varieties of jatropha. But to advertise it, you need to domesticate it. This belongs of the procedure that was missed [during the boom]," jOil CEO Vasanth Subramanian told Mongabay in an interview.
Having learned from the mistakes of jatropha's previous failures, he says the oily plant might yet play an essential function as a liquid biofuel feedstock, reducing transport carbon emissions at the worldwide level. A new boom might bring fringe benefits, with jatropha also a possible source of fertilizers and even bioplastics.
But some researchers are skeptical, noting that jatropha has currently gone through one hype-and-fizzle cycle. They caution that if the plant is to reach complete potential, then it is vital to learn from previous mistakes. During the first boom, jatropha plantations were hindered not just by poor yields, but by land grabbing, deforestation, and social issues in countries where it was planted, consisting of Ghana, where jOil operates.
Experts likewise recommend that jatropha's tale provides lessons for scientists and business owners checking out appealing new sources for liquid biofuels - which exist aplenty.
Miracle shrub, major bust
Jatropha's early 21st-century appeal stemmed from its guarantee as a "second-generation" biofuel, which are sourced from turfs, trees and other plants not obtained from edible crops such as maize, soy or oil palm. Among its multiple supposed virtues was an ability to flourish on degraded or "limited" lands
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Jatropha: the Biofuel that Bombed Seeks a Path To Redemption
Mildred Ogren edited this page 8 months ago