Binge drinkers are responsible for most alcohol-impaired driving on American roads / Eurekalert, 3 April 2008
http://www.eurekalert.org/pub_releases/2008-04/ace-bda032708.php
"- Self-reported alcohol-impaired (AI) driving has increased in the United States during the last decade.
- New findings show that most AI driving is due to binge drinkers rather than heavy or alcohol-dependent drinkers.
- Researchers say effective strategies must address both excessive drinking as well as impaired driving."