vinces99 writes: About 3 billion people, or 42 percent of the world’s population, rely on burning materials such as wood, animal dung or coal in stoves for cooking and heating their homes. Often these stoves are crudely designed, and poor ventilation and damp wood can create a smoky, hazardous indoor environment day after day. A recent study in The Lancet estimates that 3.5 million people die each year as a result of indoor air pollution from open fires or rudimentary stoves in their homes. More than 900,000 people die from pneumonia alone, which has been linked to indoor air pollution. University of Washington engineers hope to make a dent in these numbers by designing a cookstove that meets a stringent set of emission and efficiency standards while still being affordable and attractive to families who cook over a flame each day. The team has received a $900,000 grant from the U.S. Department of Energy to design a better cookstove, which researchers say will use half as much fuel and cut emissions by 90 percent.
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