So you can say greed is a major factor in innovation, but others will say need! We don’t need an NFL team with their over priced merchandise and high ticket prices. However, we do need food and medicines and another thing we take for granted.
Just as there was a need to get the logs to the mill, there was a need to transport more than one vehicle at a time. Thus the car carrier was born. There was a need to get fresh meats and vegetables to remote places.
The birth of the reefer came from the need for a more reliable means of refrigeration. 18 wheeler were evolved from the same concept. They needed a way to carry more weight, for longer periods of time.
As you can clearly see the super elaborate semi-trailer trucks of today evolved out of the most basic, almost primitive, designs. Many of these got their start in the early 1900’s. World War one saw the first real use of mechanical machines used in mass.
