Dr. Liu concluded the session by pointing out that the increase in fuel efficiency in the United States is offset by the preference of consumers for heavier vehicles. But the relationship of size to safety, as compared to the relationship of weight to safety, is not well understood. Possibly, a new vehicle can be developed with the safety of conventional vehicles and the benefit of weight reduction.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement