21) What is the difference between a hatchback and a sedan?
22) What type of engine uses a catalytic converter to reduce emissions?
23) What is the most common type of car in the United States?
24) Most modern cars have how many cylinders in their engine?
25) What type of fuel powers most cars in the world today?
26) What is the average horsepower of a standard family sedan?
27) What type of fuel powers most electric vehicles?
28) What is the world's fastest production car?
29) What type of engine is typically found in a Hummer H1?
30) In what year was the Ford Model T first released?