With the economy kinda sorta picking up, and consumers in China, India and Brazil buying cars in droves, gas prices are expected to keep going up, and may hit $4 a gallon by early spring, when Americans finish scraping the ice off of their windshields and begin planning road trips. And unlike 2008, when gas last broke the $4 barrier, only to later drop to lower prices, $4 may be a new baseline, followed by $5 gas as early as next year. [More]