Wired's Autopia blog documents what we all knew was coming: rising gas prices have killed off the SUV. Auto industry watchers had predicted that the gas guzzlers in the "light truck" category would lose the ascendancy by 2010; no one expected their reign to end in a month, in the spring of 2008. Toyota, GM, Ford, and now Nissan have announced they will scale back truck and SUV production and ramp up that of smaller passenger cars. Of course there will always be a market for this class of vehicle, but its days on the top of the sales charts are done. "'All of our previous assumptions on the full-size pickup truck segment are off the table,' Bob Carter, Toyota division sales chief said last week during a conference call with reporters. Translation — we have no idea how low they'll go."