The American pickup truck market is dominated by domestic brands, primarily Ford , Chevrolet , GMC and Ram . U.S. brands benefit from a loyal buyer base, and a 25% tax on imported trucks. But the Toyota Tacoma shows how a foreign automaker can find and control a niche within that market. The top-selling full-size pickup line is Ford’s F-Series, especially the F-150, which is also the bestselling vehicle in America, according to Edmunds. GM and Ram pickups trail Ford, which also has the top-selling compact pickup truck — the Maverick. But U.S. automakers have wavered in their commitment to...