Assembly Line

What are car engines made of?

Car engines take pig iron, aluminum, silica sand, steel and gasoline directly. Trace them back and you pass 24 made things on the way to 18 raw materials.

How car engines are made See it on the map

What goes straight in

From the ground: 18 raw materials

Made along the way: 20 things

Metals 5

Chemicals and fuels 12

Electronics 1

Food 2