Do you have a source on that? It doesn't seem right to me. Transportation is not the largest energy expense that goes into a product like a car; the largest energy expense is extracting and refining the raw materials into processed materials that are ready to be used for final production.

There's no way that the equivalent of one million driving miles' worth of pollution is emitted merely by moving around the pieces that then get turned into a car. Bulk surface/marine transport is extremely efficient.