gasoline engines

Hybrid gasoline-electric vehicles began appearing late in the 19th century
from manufacturers such as the Compagnie Parisienne des Voitures Electriques
in France. In this country, an engineer named H. Piper applied for a patent
on a gasoline-electric motor combination on Nov. 23, 1905. By the time Piper
received his patent three years later, however, advances in gasoline engines
had begun to eclipse the performance of his and other hybrids. Among other