Read the story and answer the questions to test your comprehension.
The first successful "internal combustion engine" was built by Karl Benz in 1885. Modern car engines still work like this, using an explosion of gas to move the engine, which moves the wheels. America's first car was Henry Ford's Model T, invented in 1908. It "put America on wheels," making vehicles more affordable than ever. Since then, car numbers have soared to 539 million worldwide.