ME · SEMINAR TOPIC Hybrid Electric Vehicles
Mechanical Engineering Seminar Report

Hybrid Electric Vehicles

A Hybrid Electric Vehicle (HEV) combines a conventional internal combustion engine with an electric motor and battery to improve fuel efficiency and reduce emissions.

It bridges the gap between gasoline cars and fully electric vehicles.

Types and Working

Hybrids can be series (engine charges battery, motor drives wheels), parallel (both engine and motor drive wheels), or series-parallel combining both. The control system decides the most efficient power source for each driving condition.

Regenerative braking recovers kinetic energy during braking and stores it in the battery, further improving efficiency.

Quick Facts

AspectDetails
BranchMechanical Engineering (ME)
Topic TypeTechnical Seminar / Project Report
DifficultyIntermediate – Advanced
Best ForFinal-year BTech seminars & presentations
IncludesExplanation, key points, FAQs & references

Important Points to Remember

  • Combines internal combustion engine with electric motor.
  • Types: series, parallel, and series-parallel hybrids.
  • Regenerative braking recovers braking energy.
  • Improves fuel economy and reduces emissions.
  • Battery assists during acceleration and idling.
  • Bridges conventional and fully electric vehicles.

Frequently Asked Questions

A hybrid electric vehicle uses both a petrol/diesel engine and an electric motor with a battery to improve fuel efficiency and lower emissions.

Regenerative braking captures kinetic energy lost during braking and converts it into electricity to recharge the battery.

The main types are series hybrids, parallel hybrids, and series-parallel (power-split) hybrids.