William McCall

William McCall reports in the following viewpoint that utilities, automakers, and government agencies are investing in fuel-cell technology that may one day eliminate the country’s reliance on fossil fuels. According to McCall, fuel cells run on hydrogen, which is the most abundant element in the universe and burns without harming the environment. Although fuel cells are expensive, innovators hope to improve the technology to make the cells affordable enough to power automobiles, home energy systems, and electronic equipment. William McCall writes for the Associated Press.

As you read, consider the following questions:

1. What famous example of NASA’s use of fuel cells have most Americans heard of, according to McCall"
2. According to the author, what have ONSI fuel cells traditionally been used for"
3. What is the price of the home-use...