... IN HYBRID ENGINE HYBRID ENGINE TECHNOLOGYTECHNOLOGYIntroductionIntroductionDefinitionNeed for hybrid enginesBrief HistoryDefinitionDefinition Hybrid Engines are typically described as engines ... "steps on the gas" and requires extra power. PLUG-IN HYBRIDS:A plug-in hybrid electric vehicle (PHEV), also known as a plug-in hybrid, is a hybrid electric vehicle with rechargeable batteries that ... pure parallel. Degrees of hybridization:Degrees of hybridization:FULL HYBRID: Full hybrid, sometimes also called a strong hybrid, is a vehicle that can run on just the engine, just the batteries,...