Rapeseed oil used as fuel causes extremely high cancer risk

Some less pleasant news is coming from the Berufsgenossenschaftliches Forschungsinstitut fur Arbeitsmedizin (BGFA) at the Ruhr-University of Bochum, Germany. Scientists at this institute of research for health protection at the workplace have found [*German] that the exhausts of rapeseed oil used as a fuel in internal combustion engines increases cancer risks 10-fold compared to the exhausts from regular diesel or biodiesel.

Rapeseed oil, or canola oil as it is known in leading producer Canada, is a widely used feedstock for the production of biodiesel. But the oil can be used in diesel engines in its pure, cold-pressed form too. More and more large transport firms are switching to using exactly this pure plant oil (PPO), because it is considerably cheaper than biodiesel.

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