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our team of scientists, engineers, policy experts, lawyers and computer programmers pores over government data, legal documents, scientific studies and our own laboratory tests to expose threats to your health and the environment, and to find solutions. Our research brings to light unsettling facts that you have a right to know.
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(Updated Sept. 19, 2011)
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Finding ways to reduce fossil fuel use and greenhouse gas emissions while producing enough energy to support economic development worldwide is this century’s preeminent challenge. We must meet this challenge while simultaneously reducing environmental degradation, poverty and hunger. The United States must make a sustained commitment to invest in and develop renewable energy sources that contribute to meeting these challenges.
Support for the Renewable Fuels Standard (RFS) and other biofuel subsidies has been based on the premise that biofuels will: decrease greenhouse gas emissions and thus the devastating effects of global warming; decrease our reliance on foreign oil; decrease the price of gasoline; and bolster US agriculture. US biofuels policy is not achieving these goals, nor is it rationally designed to so do. Instead, we are spending billions of dollars in tax credits and infrastructure development for biofuels that: increase greenhouse gas emissions and exacerbate other serious environmental and public health challenges; contribute to the global food crisis; insignificantly impact oil consumption and do little or nothing to lower transportation costs; and favor some parts of the farm sector at the direct expense of others.
New scientific evidence indicates that biofuel production and use results in a net increase of greenhouse gas emissions when compared to petroleum-based fuels. When full life-cycle effects are taken into account, such as the nitrous oxide emissions from fertilizer used to grow corn and the massive amounts of carbon released as forest and grassland are directly or indirectly converted for biofuel feedstock production, biofuels (including corn ethanol, cellulosic ethanol from switchgrass, and soy biodiesel) have been found to exacerbate global warming.
In addition, global stocks of food grains and edible oils are at historic lows, threatening the world’s most vulnerable people, including the poor and hungry in the United States. Conventional biofuel production also exacerbates soil degradation, water and air pollution, and loss of biodiversity. Also, conventional biofuels have a miniscule effect on fossil fuel use and practically no effect on the cost of driving. Meanwhile, US taxpayers pay billions of dollars annually in tax credits for biofuels, and our imports of foreign crude oil have remained nearly level at approximately 3.7 billion barrels annually. ¹ Although existing law requires biofuels comprise a rising percentage of the nation’s gasoline supply, there is little research demonstrating that some of these fuel mixes will not cause an unacceptable increase in operational problems, safety hazards and air pollution emissions from many on-road and non-road engines in use today.
Biofuel proponents claim that the next generation of “advanced biofuels” will eliminate the problems associated with conventional biofuels and create an economically feasible and environmentally sound solution to reducing dependence on fossil fuels for transportation. Realizing these aspirations will require solving intractable technical and infrastructure challenges, as these “advanced biofuels” can cause the same adverse environmental impacts as conventional ones while also presenting new dangers, such as those associated with synthetic biology. Mandating the use and production of these fuels without fully understanding their effect on the environment and food systems -- as current US biofuel policy does -- is irresponsible and dangerous.
In order to develop truly renewable fuels that accomplish our goals and do not have unintended adverse impacts, concrete steps must be taken.
¹ 3,6 billion barrels in 2004 and 3,6 billion barrels in 2007. http://tonto.eia.doe.gov/dnav/pet/pet_move_impcus_a2_nus_epc0_im0_mbbl_a.htm, 9/30/2008.