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The article discusses plant-production capacities and resource limits associated with production and use of biofuels. It notes ethanol use requirements of the U.S. Energy Independence and Security Act and limits that the law places on use of maize in meeting those requirements. It explains that creation of ethanol from plants is a conversion of solar energy absorbed by plants. It explains the chemistry of photosynthesis and the production of organic compounds. It also notes the natural resources required for plant growth including light, water, and nitrogen.

In this article the authors discusses the controversy surrounding the biofuels policy in the U.S. They mention the international debate over energy, the catastrophic deep-water oil rig explosion of BP, and the non-petroleum-based clean energy. Earth Track founder Douglas Koplow states that the industry will get more than 60 billion dollar per year if existing laws are maintained until 2022.

The article reports on the plan by the United States to replace a significant part of its oil consumption with biofuel. Biofuels can be thrice as costly as traditional transport fuel. As such, a number of oil companies are not prepared to shoulder the costs. U.S. state shave come up with incentives to resolve the conflict between biofuel progress and costs. These include subsidies and blending duties, or mixture of both.

In this article the author discusses the benefits of local ownership of biofuels in the U.S. He says renewable energy with agricultural and rural development policy can bring significant economic benefits to the investing growers. It highlights how ethanol plants discounted the relationship between farmer and ethanol producer.

The article discusses key issues concerning the prospects for the use of biofuels as alternative energy sources in the U.S. in 2007. Farmers, conglomerate agricultural companies and capitalists have all made serious commitments to biofuels. Biofuels have emerged as a viable alternative energy source due to instability in the Middle East and skyrocketing gas prices. Even though biofuels are not a simple substitute for fossil energy because there is not enough farm land to satisfy biofuel requirements, it can still be combined with other alternative fuels to diversify energy portfolios.