Here's the latest from the agency, verbatim, unedited:
Air Quality Tip of the Week
For the week of November 25, 2012:
"Check that your vehicle's tires are inflated to the proper pressure. Underinflated tires can lead to lowered fuel economy."
The Air Quality Tip of the Week has been updated. Please log on to http://dnr.wi.gov/topic/AirQuality/ItAllAddsUp.html, to view this and other tip