What Are Charcoal Canisters?

What Are Charcoal Canisters?

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Charcoal canisters, also known as vapor canisters, are a crucial component of a vehicle’s evaporative emission control (EVAP) system. The primary function of a charcoal canister is to capture and store fuel vapors from the fuel tank, preventing them from escaping into the atmosphere.

How Do Charcoal Canisters Work?

The charcoal canister is typically located near the fuel tank and is made of plastic or metal. It contains activated charcoal, a highly absorbent material that traps fuel vapors. As fuel evaporates from the tank, the vapors are drawn into the charcoal canister, where they are absorbed by the activated charcoal. The charcoal canister is designed to capture and store these vapors, preventing them from being released into the atmosphere.

Importance of Charcoal Canisters

Charcoal canisters play a vital role in reducing harmful emissions and improving air quality. By capturing fuel vapors, they help to:

- Reduce greenhouse gas emissions

- Prevent air pollution

- Improve fuel efficiency

- Lower emissions of harmful pollutants

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