Powertrains of the future have a past
Don Sherman
Automotive News | June 12, 2006
The greatest challenge every pioneering auto builder faced was finding a suitable source of power.
Petroleum-fueled internal combustion powerplants, steam engines and electric motors were equal hopefuls in the drive to replace horses with horsepower. When one contraption lacked the gumption to climb hills, resourceful horseless-carriage builders simply added a second power source, as if they were harnessing another mare to the team.