[id10t]

The actual logo would be automatically copyrighted either by the original artist or the person who paid the original artist to create it (creator vs. work for hire), though penalties/enforcement can differ if the copyright is actually registered.

Trademark would be the "doing business in automotive stuff with the name Pelican". Which is why you can have McDonalds Roofing, Inc but face a likely smack-down for McDonalds Hamburgers, or that guy Mike Rowe and his software at the mikerowesoft.com domain that was removed/given to MS due to trademark. Think you must register a trade mark and actively pursue enforcement of violations. Note that in a town not too far from me there is a Pelican Hotel, a Pelican restaurant, Pelican Realty, all sorts of Pelican named things (Cedar Key, Fl - a drinking town with a fishing problem and artist infestation)

Note - I spent 10 minutes in the Levin School of Law at UF and that was looking for a bathroom and vending machine. But, with my bend towards Free and Open Software you tend to learn the definition of some of these things and how they work....