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Comparisons

Adit Srivastav

Created on April 7, 2025

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Transcript

DIESEL ENGINE

STEAM ENGINE

H2 ICE ENGINE

PETROL ENGINE

CNG ENGINE

PETROL ENGINE

Diesel Engines

Pros:

  • High efficiency (~30-45%)
  • Better fuel economy
  • Higher torque, suitable for heavy-duty applications
  • More reliable and durable
Cons:
  • Produces CO₂ and NOx emissions
  • Diesel fuel is expensive
  • Noisy

STEAM ENGINE

Pros:

  • Can use a variety of fuels
  • Simple mechanical design
  • High torque at low speeds
Cons:
  • Very low efficiency (~5-10%)
  • Heavy
  • Requires constant water supply and maintenance
  • Slow startup time
  • High emissions (CO₂, particulates)

So Which Is Better?

Diesel Engine is better due to higher efficiency, faster startup, and lower maintenance needs.

Steam engines are outdated and impractical for modern applications.

So Which Is Better?

Petrol Engine is better today due to easy fuel availability and existing infrastructure.

Hydrogen-Powered ICE is better for the future due to its zero-emission potential and higher efficiency, but it needs better fuel storage and infrastructure.

H2 ICE ENGINE

Pros:

  • Zero CO₂ emissions (only water vapor)Better fuel economy
  • Higher efficiency (~30-40%) than petrol engines
Cons:
  • Hydrogen storage is difficult (requires high-pressure tanks)
  • Limited hydrogen refueling centers
  • Expensive production and maintenance

STEAM ENGINE

Pros:

  • Lower maintenance costs compared to hydrogen engines
  • Smooth performance and quick response
Cons:
  • Low efficiency (~25-30%)
  • Produces CO₂, NOx, and unburnt hydrocarbons
  • Petrol is a fossil fuel with limited reserves

CNG ENGINE

Pros:

  • Eco-Friendlier Comparatively
  • Lower running Cost
  • Cheaper Fuel & Cleaner Engine
Cons:
  • Lower Power Output
  • Limited Availibility
  • Cold-Start issues
  • Boot space is much less

So Which Is Better?

For Daily City Use & cost Saving, CNG is the Clear Winner

For Performance & Highway Use, Petrol Engines are Way better

PETROL ENGINE

Pros:

  • Better Acceleration & Top Speed gives High Power Output
  • Widespread Availability & Compact Design
  • Smooth & Quick Start (no cold-start issues)
Cons:
  • Higher Emissions & Expensive Fuel
  • Higher Running Cost for daily use
  • More Engine Wear Comparatively