I apologize in advance for posting this message... my flame shield is on :)

I'm embarking on a automotive project using a PIC that will control some
electric fans.  The "parts" involved with this portion of the project are
the PIC, somet interface, and an automotive relay.  I should probably find
some specs on an automotive relay but I'd assume that it only needs a few
volts to engage and a very small constant voltage to keep it on.  I highly
doubt that a little output port on a PIC micro is going to be able to drive
a relay, so I'm wondering what kind of intermediary device I would need.  I
was thinking something along the lines of a power transistor, but someone
suggested to me using an SCR(?).  What are your thoughts/ideas/experiences?

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