| 1898: | Ferdinand Porsche built the Lohner-Porsche Electric Chaise, powered by an internal combustion engine that spun a generator to provide electricity to motors located in the wheel hubs. In battery mode, the car could travel up to 40 miles. |
| 1900: |
American auto manufacturers built a total of 4,192 cars. Over 1,500 (35%) were gas/electric models. |
| 1904: | Henry Ford's new gas powered car started the trend away from gas/electric hybrids. |
| 1973: | The oil crisis of the 1970s renewed the public's interest in alternately powered vehicles. |
| 1993: | The Clinton administration started the Partnership for a New Generation of Vehicles. The goal was a vehicle capable of 80 miles per gallon. 3 Years and billions of dollars later, 3 prototype hybrids emerged using gas/electric technology. |
| 2009: | Over 28 different models of hybrid automobiles are available to the consumer. |