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Although biofuels had been used for many years (from 1980 to mid-2007, an estimated 2 trillion miles were driven on ethanol-blended fuels in the United States), it was not until the late 20th and early 21st centuries, with dwindling oil supplies, the threat of global warming, and unrest in the oil-rich Middle East that people began thinking of them seriously as alternatives to petroleum-based fuel. Biofuels were also considered better for the environment than gasoline because they produced far less carbon monoxide, carbon dioxide, sulfur dioxide, and particulate matter, and fewer toxic contaminants, hydrocarbons, and volatile organic compounds. This note describes biofuel production and the many effects its increasing use had on the energy supply, agriculture, and the environment. The use of biofuels was not without controversy, and this note is a good starting point for students who can be asked to research further and identify and discuss the issues presented by biofuel use.

Small business owner Tim Bono must decide whether to accept business from a customer that involves transferring film with homosexual content, and if doing so violates his company's "Christian and ethical values."

On February 19, 2005, British Airways flight 268, a 747, took off from Los Angeles International Airport (LAX) headed for London's Heathrow Airport. It would be an 11-hour, 5,000-plus-mile flight. Shortly after takeoff, only 296 feet in the air, one of the jet's four engines exploded. The pilots had to determine what course of action to take: return immediately to LAX or continue the flight. This case outlines the various options and the potential consequences of each. See also the B case (UV0774).

In the 1980s, the true effects of 100 years of asbestos mining in South Africa became apparent, as thousands of former miners and those who lived in the mining communities developed asbestos-related diseases (ARD), all fatal. The companies responsible-the British Cape plc, in particular-were all multinational companies based in other countries. This case, the first in four (labeled A through D, UV 1350 through UV1353), explains the history of asbestos mining in South Africa, the complicated relationship between the multinational companies and an apartheid and post-apartheid South African regime, and details the struggles and issues that many ARD-afflicted South Africans faced in bringing the multinationals to justice and seeking redress.

This case details the in-house discovery of WorldCom's fraudulent accounting practices and the ethical considerations employees faced during the investigation. In May 2002, Cynthia Cooper, vice president of internal audit for WorldCom, the second-largest telecommunications company in the United States, faced an extremely difficult decision. After months of sleuthing, initially not sure what they were seeking, she and two of her employees at the Clinton, Mississippi, WorldCom headquarters had discovered almost $4 billion in questionable accounting entries. The specter of the Enron collapse in the fall of 2001 still loomed large, and Cooper realized that the situation at WorldCom might even be a far greater financial debacle. If this fraud were revealed, much would be at stake: the company's credibility, the fate of thousands of employees, and pension funds loaded with WorldCom stock.

Gender in the workplace. Is it still an issue? While it is increasingly easier in the early 21st century for women to work, manage, and take positions of high responsibility in American business, some issues and difficulties still remain. This series of vignettes touches on some difficult situations-for both women and men-involving sexual and romantic relationships in the workplace, decisions on whether to start a family, dress codes, family obligations, and sexual harassment.

Martin Field, the new controller for the automobile replacement-parts company Run, Inc., is not comfortable with a large write-off that the family-owned company plans to make in 2004. Fairly new to the position, Field had not prepared the financial information for the annual report and he hesitated to alert anyone about the balance between the receivables and inventory items. Although external auditors give Run, Inc.'s financials a clean bill of health, Field was still not comfortable and must decide what steps to take.

As 2004 came to a close, Wal-Mart, the world's largest retailer, found itself facing a variety of stakeholder issues. The largest company in the world, which had ranked number one on the Fortune 500 for several years, was accused of, among other things, sending jobs overseas, destroying small-town America, paying its workers substandard wages and providing abysmal healthcare coverage, and discriminating against women and minorities. Many outsiders accused the retailer of circumventing or ignoring the principles upon which the legendary Sam Walton founded the company: respect for the individual, service to customers, and constant striving for excellence. As 2005 began, Wal-Mart CEO H. Lee Scott and other Wal-Mart executives had to address the various issues. This case details not only the rise of Wal-Mart and its notable capabilities and strategies, but also how the retailer had inadvertantly found itself with such a negative reputation.

When a senior audit partner at a well-established Washington-based audit firm discovers that one of his employees has disseminated inaccurate information, the partner must figure out the reason--lack of communication, racial tension, or misguided management are all possibilities--and subsequently decide what course of action to take. See also the B case (UV1345).

Is it deception or is it simply a clever business tactic? The varieties and scope of deceptive behavior are examined in this series of caselets, which offer a wide range of sample dilemmas in many fields, including medical publishing, the auto industry, investment banking, the oil industry, and even in the fine art of writing a resume.

This case focuses on an employee in the asset management division of the Birmingham-based HealthSouth who suspects possible fraud in the company's accounting practices. A highly successful outpatient surgery, rehabilitation, and diagnostic imaging company, HealthSouth had been founded and was run by Richard Scrushy, whose generosity was legendary in Birmingham, Alabama, but whose autocratic and sometimes ruthless management style contrasted sharply with his charismatic, up-by-the-bootsteps entrepreneurial energy.

Set in India in the 1980s and 1990s, this series of cases concerns the attempts by the Unilever division Hindustan Lever Limited (HLL) to create, market, and distribute a detergent for India's rural poor. The upstart, low-priced Nirma detergent, manufactured by a former chemist, has overtaken HLL in the detergent market primarily because Nirma is being distributed and sold to this previously ignored segment of India's population. In this war of laundry powders, HLL must revise its traditional practices in manufacturing, marketing, and distribution pursuant to C. K. Prahalad and Allen Hammond's theory of the worldwide four-tiered market, in which the "bottom of the pyramid" is an untapped and potentially lucrative market. See also UV5263, UV4263, and UV5266.

Set in India in the 1980s and 1990s, this series of cases concerns the attempts by the Unilever division Hindustan Lever Limited (HLL) to create, market, and distribute a detergent for India's rural poor. The upstart, low-priced Nirma detergent, manufactured by a former chemist, has overtaken HLL in the detergent market primarily because Nirma is being distributed and sold to this previously ignored segment of India's population. In this war of laundry powders, HLL must revise its traditional practices in manufacturing, marketing, and distribution pursuant to C. K. Prahalad and Allen Hammond's theory of the worldwide four-tiered market, in which the "bottom of the pyramid" is an untapped and potentially lucrative market. See also UV5263, UV1972, and UV5266.

Set in India in the 1980s and 1990s, this series of cases concerns the attempts by the Unilever division Hindustan Lever Limited (HLL) to create, market, and distribute a detergent for India's rural poor. The upstart, low-priced Nirma detergent, manufactured by a former chemist, has overtaken HLL in the detergent market primarily because Nirma is being distributed and sold to this previously ignored market segment. In this war of laundry powders, HLL must revise its traditional practices in manufacturing, marketing, and distribution pursuant to C. K. Prahalad and Allen Hammond's theory of the worldwide four-tiered market, in which the "bottom of the pyramid" is an untapped and potentially lucrative market. See also the B (UV1972), C (UV4263), and D (UV5266) cases.

Set in India in the 1980s and 1990s, this series of cases concerns the attempts by the Unilever division Hindustan Lever Limited (HLL) to create, market, and distribute a detergent for India's rural poor. The upstart, low-priced Nirma detergent, manufactured by a former chemist, has overtaken HLL in the detergent market primarily because Nirma is being distributed and sold to this previously ignored segment of India's population. In this war of laundry powders, HLL must revise its traditional practices in manufacturing, marketing, and distribution pursuant to C. K. Prahalad and Allen Hammond's theory of the worldwide four-tiered market, in which the "bottom of the pyramid" is an untapped and potentially lucrative market. See also UV5263, UV1972, and UV4263.

Presents the dilemma faced by Danville Airlines' management when one of its best pilots is found to have the inherited gene for Huntington's Disease. Although he inevitably will develop the physically and mentally debilitating disease, the pilot, who has yet to experience symptoms, does not want to step down from his position. Danville Airlines explores the complicated issues of employee rights versus public safety, employee rights to privacy, and genetic testing and its effects on employees and management.

This note provides a brief review of the Muslim religion, including the geographical representation of its believers, a description of its basic tenets, and a sketch of its historical development. Also provided is a brief synopsis of the Prophet Muhammad, and a distinction is made between the Sh'ia and the Sunni faiths. The note was written to complement the teaching of any case that assumes knowledge of Islam.

This case presents the dilemma of a multinational oil and gas company, ExxonMobil, as it factors in the ethics issues related to the environment and cultural differences in deciding whether to proceed with building a pipeline in Chad and Cameroon, two of the poorest and most corrupt developing countries in West Africa. The many players in this project included the World Bank, which cofinanced the project and put restrictions into place that would hopefully prevent government corruption in both Chad and Cameroon and many environmental and human rights groups that warned of potential disaster. The case also covers the environmental and social analysis of the areas that would be affected by the pipeline.

This case present the dilemma of an employee who, having been terminated in a manner he deems is unfair, has to decide whether to cash or return a $2,500 check wrongfully sent him by his former employer.

Although not set in a business environment, this case illustrates a common dilemma existing in almost any setting: Do you uphold an institution's honor code, although it means implicating a friend and comrade of wrongdoing?