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The government of Mexico is mandating increased use of gasoline–ethanol blends as a method for reducing air pollution. However, tests on light-duty vehicles have revealed mixed results in terms of fuel economy and emissions. In addition, little information on the performance of light-duty vehicles fueled by gasoline–ethanol blends exists outside the conditions in Mexico City. Fuel economy and emission...
In the past two decades, rapid population and economic growth on the U.S.–Mexico border has spurred a dramatic increase in electricity demand. In response, American energy multinationals have built power plants just south of the border that export most of their electricity to the U.S. This development has stirred considerable controversy because these plants effectively skirt U.S. air pollution regulations...
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