With truck sales sagging nationwide because of the slowdown in home construction, General Motors is taking its latest truck models to work sites and marketing directly to the people most likely to buy them...

GM is partnering in Work Tour with Micro Target Media, an outdoor advertising company that takes mass-marketing messages to crowds gathered at such events as NASCAR races and Ironman competitions. The company, which sets up fencing and portable toilets at events and work sites, uses the temporary setups to mount advertising campaigns.

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