Earlier this year, a team of engineers led by China’s Song Youzhou suggested that a massive elevated bus that straddled over normal-sized vehicles was the key to easing the world’s traffic woes. Though the concept of the Transit Elevated Bus (TEB) unveiled at the 19th China Beijing International High-Tech Expo on May 22 generated a lot of excitement, most people were skeptical that it would ever become a reality. But they were wrong.