Donald W. Nauss

In the following viewpoint, Donald W. Nauss reports that automakers are developing an affordable car that will be powered by hydrogen fuel cells rather than gasoline. Because hydrogen is not yet conveniently sold at retail pumps the way gasoline is, DaimlerChrysler is designing a fuel-cell car that converts gas to hydrogen, although such a vehicle would still produce some harmful emissions. In the future, automakers will build hydrogen-powered autos that emit no harmful greenhouse gases. Donald W. Nauss is a staff writer for the Los Angeles Times.

As you read, consider the following questions:

1. According to Nauss, how much would a hydrogen infrastructure cost"
2. How much lower will be the emissions of Chrysler’s hybrid vehicle compared to conventional cars, according to the author"
3. According to Nauss, what is the biggest...