What does ethanol really cost?

When everyone is looking for better fuel efficiency and cleaner burning energy, biofuel is quick to the attention of eco-conscious consumers. So how expensive is ethanol?

Bio-fuels seem to present a renewable resource alternate to fossil fuel. A closer examination of the costs of producing ethanol and biodiesel shows the true economic and ethical costs involved in choosing bio-fuel as a long term solution.

All of the following depend on fossil fuel to produce bio-fuel:

Hybridization of crops
Planting and irrigation
Fertilizer and pesticide
Harvesting
Grinding biomass
Transporting the crop
Production facility machinery

To gauge how efficient the bio-fuel alternative truly is, a joint study by Cornell and University of California -Berkeley determined that the energy output of both ethanol and biodiesel were not worth the effort of producing them.

Ethanol production from switch grass required 45 percent more energy than the resultant ethanol produced. This is the equivalent of spending $1.45 to buy a dollar.

Biodiesel produced from sunflower plants required 118 percent more energy than the biodiesel could produce. Would you spend $2.18 to buy a dollar?

These pitfalls are considered short-term shortfalls. As bio-fuel machinery becomes more widely available, the production costs will go down. Yet, the research into such machines is not likely to begin for more than another decade and only when the United States government decides which bio-fuel to endorse.

The long term pitfalls are more ominous. Ethanol and biodiesel do not burn as cleanly as burning biomass, pure wood or switch grass waste. The air emissions contribute to the greenhouse effect and further global warming.

Bio-fuels need a constant agricultural supply. To meet the United States need for liquid fuel, one of two scenarios present: 1. Residential property will be regulated to upward growth only (apartment dwelling). 2. Rural residential lands will be relegated to subsidized agriculture of biomass producing farms.

Both scenarios result in larger air pollutant emissions. The transportation of food contributes the second largest air pollutant emission in the United States. Multi-level housing creates traffic congestion and household emissions in higher concentration.

Additionally, the choice to use wood biomass to produce ethanol would result in fewer trees to protect the atmosphere, higher fossil fuel demand than even switch grass (12 percent) and increase prices of common wood based products. This price increase would impact industries that produce or use paper, cardboard, furniture, building supplies and wood as a fuel source.

So what does that mean for food prices, water and soil pollution, sustainability and fertility?

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