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Biofuel development and use is a complex issue because there are many biofuel options which are available. Biofuels, such as ethanol and biodiesel , are currently produced from the products of conventional food crops such as the starch, sugar and oil feedstocks from crops that include wheat , maize , sugar cane , palm oil and oilseed rape .
India, the current president of the Group of 20 industrialized and developing nations, has proposed a global biofuel alliance that seeks to accelerate the development of sustainable biofuels to ...
Food vs fuel is the debate regarding the risk of diverting farmland or crops for biofuels production in detriment of the food supply on a global scale. Essentially the debate refers to the possibility that by farmers increasing their production of these crops, often through government subsidy incentives, their time and land is shifted away from other types of non-biofuel crops driving up the ...
The methanol economy is an alternative to the hydrogen economy to be contrasted with today's hydrogen production from natural gas. Butanol (C 4 H 9 OH) is formed by ABE fermentation (acetone, butanol, ethanol) and experimental modifications of the process show potentially high net energy gains with biobutanol as the only liquid product.
Biofuels have a number of properties that will make it difficult to fully and effectively incorporate them into the gasoline infrastructure and vehicle fleet. Biofuels can differ from gasoline in a number of ways, depending on the particular fuel: lower energy content, different physical and combustion characteristics, and corrosive properties.
Brazilian cerrado Amazon rainforest. The indirect land use change impacts of biofuels, also known as ILUC or iLUC (pronounced as i-luck), relates to the unintended consequence of releasing more carbon emissions due to land-use changes around the world induced by the expansion of croplands for ethanol or biodiesel production in response to the increased global demand for biofuels.
The German government has a Biofuels Roadmap in which they expect to reach 10% biofuels by 2010 with the diesel 10% coming from fuel made from vegetable oil. [18] From 2005 to 2007 a number of types of vegetable oil have doubled in price. The rise in vegetable oil prices is largely attributed to biofuel demand. [19]
Up to 40% of corn produced in the United States is used to make ethanol, [121] and worldwide 10% of all grain is turned into biofuel. [122] A 50% reduction in grain used for biofuels in the US and Europe would replace all of Ukraine's grain exports. [123] In some poor countries the rising price of vegetable oil is causing problems.