Is a clean car that much better than a dirty car?

Isn't it better to walk, bicycle, or take transit?

More stuff from Chris Carney:

1. Say Yes to Clean Cars
9 AM, Tuesday, May 22

Arlington, VA - Tell the EPA to let California, Maryland, and 11 other states regulate global warming pollution from cars and trucks. Sign up to speak by May 15! Send written comments. More details.

2. Alternative Transportation Expo.
7:30 - 9:30 PM, Tuesday, May 15
Walter Reed Community Center, 2909 16th Street S., Arlington, VA

As we gear up for summer "code orange" and "code red" days, come learn how you can do your part to reduce air pollution from vehicle traffic! Open House featuring car-sharing demo and representatives from Washington Area Bicyclists Association, Arlington Transportation Partners, more.

Sierra Club & Arlingtonians for a Clean Environment. For more information, contact ACE on the web, or call 703-228-6427.