Apparently the Prius placement in the magazine had no suggested significance on the contest as I’d thought. Call it wishful thinking. :< A blogger who works for HGTV states the giveaway includes Yukon hybrid here.

*** Are You Wanting to Enter the 2008 HGTV Dream Home Contest? See This Post Instead *** 
Building the 2008 HGTV Green Home
I’m very interested to see which direction their garage will be headed. I’m thinking there will be a plug-in for an electric hybrid, but … we’ll have to wait and see. Either way, if I won this baby and sold my current house, I would put a charging station out there if it didn’t exist … then I’d buy one of those No More Gas models to use it. :D