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Biodiesel won't drive down global warming

EU legislation to promote the uptake of biodiesel could increase rather than decrease greenhouse gas emissions. A study reported in C&I revealed that while petroleum diesel emits 85 percent of its greenhouse gases at the final stage, in the engine, two-thirds of emissions produced by rapeseed derived biodiesel occur during farming -- cropland emits nitrous oxide, which is 200-300 times as potent a greenhouse gas as CO2.

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