General Motors (GM 5.44%) saw its U.S. market share fall to historic lows last year -- just 17.9%, the lowest level for GM in 88 years. CEO Dan Akerson was candid about the cause: GM's product line was the oldest in the business, and more and more customers were looking elsewhere.

Now, GM is in the midst of a massive product offensive, with a slew of all-new cars and trucks headed to dealers. But will it be enough? In this video, Fool.com contributor John Rosevear looks at the state of GM's product-driven turnaround -- and at how GM's position in the American auto marketplace is shifting.