The Hummer is back. Along with it’s smaller cousins the Navigator, Expedition and other large SUVs. And it’s all because of dropping gas prices. The Washington Post reports that sales of the Hummer off used car lots have picked up substantially in the past few weeks. Before that, they would languish on lots for long amounts of time due to the amount of gas they required. Analysts say the sales of other large SUV’s are up too. Here’s the Washington Post article.