BRUSSELS, Nov 22 (Reuters) - The European Commission is considering halving the maximum amount of crop-based biofuels used in transport after 2020 over concerns they increase rather than reduce carbon emissions, according to a draft seen by Reuters.
While they reduce reliance on fossil fuels, crop-based biofuels are made from agricultural products such as sugar or rapeseed oil that could otherwise be used for human consumption or animal feed, leading to criticism that they cause indirect changes in land use.
According to the European Commission's proposal, the maximum contribution from liquid biofuels to the EU renewable energy target should fall to 3.8 percent in 2030 from 7 percent in 2021.
"A progressive reduction of food-based biofuels and their replacement by more advanced biofuels will realize the potential for decarbonising the transport sector," the Commission said in the draft proposal, part of a set of rules aimed at ensuring goals are met for cutting emissions by 2030.
European farmers have argued that reducing crop-based biofuels will have unwanted effects, saying they help farmers to rotate crops and reduce imports of livestock feed.
Others said the Commission's proposal did not go far enough.
"Biodiesel from virgin vegetable oil leads to around 80 percent higher emissions than the fossil diesel it replaces," Brussels-based Transport and Environment said.
"Biodiesel should be phased out well before 2030 given its devastating impacts on the world's climate and tropical forests."
In 2012, the EU dedicated 3 percent of its total cropland to the production of feedstock for biofuels consumed within the 28-member bloc.
In its draft, the Commission does not distinguish between bioethanol made mostly from sugar beet and cereals and biodiesel made from oilseed crops, mainly rapeseed, but says member states can make such a distinction themselves when implementing the rules. (Reporting by Robert-Jan Bartunek and Sybille de La Hamaide; Editing by Hugh Lawson)
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