Henry ford would have been most interested to bring which modern innovation to his automotive factories?

It was the process of manufacturing cars.  He was able to use the assembly line to speed the manufacture of cars that were affordable and reliable for ordinary people.  As the demand grew as he turned out more cars for the masses.  Through continuous refinement of his process of producing automobiles faster, he ushered in the age of motoring. He also saw the potential that technology had not in car manufacturing but also in uplifting the lives of people through new ideas.