The Starbucks Effect
A study of travel behavior has found that an increasing number of commuters are stopping for coffee and food, and that the stops may have a discernible impact on the distances people drive. The trips also might mean more air pollution and congestion.
SOURCE: "Trip Chaining Trends in the U.S. - Understanding Travel Behavior For Policy Making." (Paper submitted to the Transportation Research Board). Based on the 2001 National Household Travel Survey (175,000 respondents).
The Washington Post