Detailed text transcripts for TV channel - MSNBC - 20100730:03:57:00
If you go back to the ford model t-was getting 25 miles an hour which is more than theç averag car in the united states gets. and as engines became more and more efficient, people started adding weight to the cars and the features and so for. we never actually pushed the mile per gallon. so these cars are taking advantage of new material sciences, composites, composite material, crushable systems. so the way most people protect themselves in this metal womb. you surround yourselves with 5,000 pounds of metal in a hummer or suv. instead of using material that can absorb the energy much quicke...