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Fu 07 Bio-Diesel made of rape seed

More and more rape is grown in Germany.
Left: In May huge yellow fields of flowering rape can be seen.
Middle: One month later green fruits have developed with round seeds shining through them. They may not only be used as birdseed but also as a raw material for industry.
Right: Crush rape-seed on a piece of paper. Spots of  rape oil  appear on the paper.
* Commercially 500 l  of "Bio-Diesel" (a fuel for cars)  may be obtained by processing seeds collected an area of a football field.