Hyundai’s new Accent was the star of the companies exhibit at this year’s Beijing Auto Show, but the debut of two new engines and a new automatic transmission will have broader implications for the rest of the company’s lineup. In addition to the 2.4L GDI four-cylinder in the Sonata (pictured above), two new gasoline direct-injection engines were unveiled at Beijing, a 1.6L four cylinder putting out 138 horsepower, a 28 horsepower bump over Hyundai’s current 1.6L four banger. The 1.6 GDI should appear in the Accent, Elantra, certain Kia models...