Germany says carbon saving is 40 percent from ethanol; UK says 20 percent negative; chaos looms in incentives lined to carbon
In the UK, an article in Chemistry & Industry said that disagreements between the UK, Germany and US governments about corn ethanol’s carbon footprint pose the potential for chaos. Eric Johnson, editor of Environmental Impact Assessment Review, said that German proposals on corn ethanol state a carbon saving of over 40%, while the US rates corn ethanol at a 22% saving, while the UK estimates that corn ethanol is 20 percent carbon neutral. “Bioethanol from US corn will win in Germany, barely pass muster under US rules and lose in the UK,†Johnson wrote, as governments begin to link incentives to carbon impact.
The EU is facing a stalemate over implementation of biofuels sustainability standards. The European Parliament wants sustainability criteria to be included in the EU Fuel Quality Directive, while the European Commission said that the criteria is already included in the January 23rd directive on renewables, which instructed that 10% of all transport fuel consumption in the EU be sourced from biofuels by 2020. The EU has agreed that biofuels must deliver a life-cycle CO2 savings of 35 percent to count towards the 10 percent target.
Members of the European Parliament in Brussels recently approved the emissions reduction plan proposed by the European Commission. The package of proposals included proposals on emission cuts, renewable sources, carbon capture and revision of the EU Emissions Trading Scheme, with a stated goal of reducing EU greenhouse gas emissions by 20 percent and increasing the share of renewable energies in the energy consumption by 2020 to 20 percent.
New EU laws are expected to ban the importation of biofuels grown in forests, grassland or wetlands, and is expected to affect palm oil based imports due to deforestation, South American ethanol and biodiesel with grassland or forest land use issues, and US corn ethanol due to lower emissions savings.
The European Union introduced measures last week to establish punitive tariffs on US biofuel imports and require a 35 percent carbon emission reduction from any feedstock allowed to be used in biofuel production. Canola oil, which is Europe’s feedstock of choice, has a 37 percent emission savings. It is expected that the EU will ban palm oil made on plantations established after 2003.
Last week, a consortium of 17 non-governmental organizations called on EU Energy Commissioner Andris Piebalgs to require sustainability standards for biofuel production or eliminate biofuels mandates.
The NGOs were responding to a draft biofuels mandate for the EU which will be finalized later this month and raises the use of biofuels to 10 percent of all fuels by 2020. The NGOs said that the plan did not fully address water shortage and deforestation issues. The NGOs called for a ban on the use of sugar cane, corn, and some varieties of canola and palm oils in biofuels production. The NGOs proposed threshold, that only feedstocks producing a minimum savings of 50 percent in CO2, has won significant support in the European Parliament.
In Washington, the multi-institution study published in Science magazine concluded that, over a 30-year period, the production of corn ethanol increases greenhouse gas emissions by 93 percent, instead of reducing them by 20 percent. Researchers said that previous studies did not take into account the effect of converting forest or grasslands to biofuel production. The study concluded that planting switchgrass would increase emissions by 50 percent. Study authors said that the role of biofuels should be limited to conversion of waste products.
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