General Electric Dc Motors

Students investigate the disappearance of the first new zero emission vehicle, or electric car, in over 100 years. In 1900, electric vehicles outnumbered all other types of motor vehicles on the road. Gasoline powered engines where just beginning to appear and Henry Ford began to mass produce the internal combustion gasoline engine. By 1930 the electric vehicle was killed for the first time, because of the advances in gasoline powered engines.

In 1990, the California Air Resources Board (CARB) mandated a zero emissions vehicle law. This law stated that by 2003 ten percent of all vehicles sold in California would be zero emissions vehicles. The car industry’s answer to this mandate resulted in the resurrection of the electric car, called the EV1 and built by General Motors. By the turn of the century the electric car was on its death bed and then disappeared quickly for a second time in less than 100 years.

Solving a Mystery in Science

This problem-based learning case study is designed for middle school gifted science students or high school environmental science students. This mystery follows the tenants of problem-based learning, along with application of integrated science process skills.


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