"Rocket barns" help tobacco growers curb fuel use

05/2/2014 | Thomson Reuters Foundation

Zimbabwean tobacco

Zimbabwe's tobacco growers burn huge amounts of wood, much of it the result of illegal logging operations, to cure their product. Now an industry group is promoting the use of "rocket barns," which use their exhaust gases to draw in air and promote efficient combustion. That reduces by half the amount of wood needed to produce a given quantity of tobacco, producers say.

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