. . "Juvenile works" . . "Karl Benz and the single cylinder engine" . . . . . . "Biography" . "Many men had tried to invent a \"horseless carriage.\" Karl Benz was only one of them. In 1885, he succeeded in building the first three-wheeled automobile. He didn't plan on starting his own automobile revolution. In fact, not many people bought his first car. But a century later the company he built is still in existence. And his contribution to self-powered vehicles has changed millions of lives." . . . .