Attention business travelers: Lexus is sponsoring free WiFI for American Airline passengers this week.

Here's the promo code: 2010LEXUSLS

You will have to sit through an advertisement for the new Lexus LS, however.

First time WiFi users on American can use the promo code: AATRYGOGO for free access one time only.

Air Trans is offering two-for-one WiFi sessions through the end of the year.

There's a hitch to that one, however.

Uh, you would have to fly Air Trans (Oops! Was that my outside voice?).

File this one under no strings attached:

Amtrak will be launching, next year, free WiFi service to Acela passengers on Northeast routes.