Policy ForumEnvironmental Science

Rethinking Hydrogen Cars

See allHide authors and affiliations

Science  18 Jul 2003:
Vol. 301, Issue 5631, pp. 315-316
DOI: 10.1126/science.1084294

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


There are three credible reasons for switching to hydrogen cars: reducing air pollution, reducing COemissions, and reducing oil consumption. Widespread deployment of hydrogen cars could support all three objectives--but, at least for the next quarter-century, in each case there are other options that could achieve these ends faster and far more cost-effectively.