Dodge Ram pickup trucks await customers Jan. 5 on the lot at Landmark Dodge Chrysler Jeep in Morrow, Ga. Buoyed by a resurgent economy, holiday sales, cheap gasoline and a love affair with pickup trucks, Americans headed to car dealers in droves last month, pushing full-year sales to what's likely to be the highest level since 2006. John Bazemore/AP hide caption

toggle caption John Bazemore/AP
Low Gas Prices Give SUV Sales A Boost, But Automakers Take Long View
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A Jeep Wrangler is seen at a dealership in Chicago. Powered by a newly designed fleet of vehicles, the brand saw a sharp rise in sales in 2011. Scott Olson/Getty Images hide caption

toggle caption Scott Olson/Getty Images