If green is your style, Kia might have the magic number for you – 11. In the coming years, the Korean automaker plans to offer 11 eco-friendly cars. The expanded lineup includes hybrids, electric vehicles, and even a possible hydrogen fuel-cell vehicle with a range of almost 500 miles. For now, Kia is starting with a new lithium-polymer battery equipped Optima and the Niro CUV, due out next year.