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FIGURE 1.13 World fuel ethanol production, 1975-2005. (From Worldwatch, Biofuels for Transportation—Global Potential and Implications for Sustainable and Energy in the 21st Century, Report prepared for the German Federal Ministry for Food, Agriculture and Consumer Protection, Worldwatch Institute, Washington, DC, 2006. With permission.)

The present cost of ethanol production ranges from about 25 Euro cents to about 1 Euro per gasoline equivalent liter, as compared to the wholesale price of gasoline that is between 40 and 60 Euro cents per liter (Figure 1.14). Biodiesel costs, on the other hand, range between 20 Euro cents to 65 Euro cents per liter of diesel equivalent (Figure 1.15). Figure 1.16 shows the feedstocks used for these biofuels. An important consideration for biofuels is that the fuel not be produced at the expense of food while there are people going hungry in the world. This would not be of concern if biofuels were produced from municipal solid waste (MSW).

According to the Worldwatch report, a city of 1 million people produces about 1800 tonnes of MSW and 1300 tonnes of organic waste every day that, using the present-day technology, could produce enough fuel to meet the needs of 58,000 persons in the United States, 360,000 in France, and nearly 2.6 million in China at current rates of per capita fuel use (Worldwatch Institute 2006).

Guide to Alternative Fuels

Guide to Alternative Fuels

Your Alternative Fuel Solution for Saving Money, Reducing Oil Dependency, and Helping the Planet. Ethanol is an alternative to gasoline. The use of ethanol has been demonstrated to reduce greenhouse emissions slightly as compared to gasoline. Through this ebook, you are going to learn what you will need to know why choosing an alternative fuel may benefit you and your future.

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