This American hybrid concept faced spiking gas prices with six wheels

Briggs & Stratton HybridLong before the Toyota Prius and the GM EV1 were conceived, an U.S. company not otherwise known for making cars showed a most unusual vehicle possibly described as a progenitor of plug-in hybrids. The company was Briggs & Stratton. And the car, first shown on the heels of the 1979 oil crisis and simply called the Hybrid, had six wheels. The...