Assertion : CNG and LPG are not ecofriendly fuels.
Reason : They produce many harmful pollution.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Explanation

To solve the question regarding the assertion and reason about CNG and LPG, we will break down the statements and analyze them step by step.

### Step-by-Step Solution:

1. **Identify the Assertion and Reason**:
- Assertion: "CNG and LPG are not eco-friendly fuels."
- Reason: "They produce many harmful pollution."

2. **Understand the Definitions**:
- CNG stands for Compressed Natural Gas.
- LPG stands for Liquefied Petroleum Gas.

3. **Evaluate the Assertion**:
- The assertion claims that CNG and LPG are not eco-friendly. However, both CNG and LPG are considered to be relatively cleaner fuels compared to other fossil fuels like coal and oil. They produce fewer harmful emissions when burned.

4. **Evaluate the Reason**:
- The reason states that CNG and LPG produce many harmful pollutants. This is misleading. While they do produce some emissions, they are significantly lower in harmful pollutants compared to traditional fuels. Thus, they are often categorized as eco-friendly.

5. **Conclusion**:
- Both the assertion and the reason are false. CNG and LPG are considered eco-friendly fuels because they produce fewer harmful pollutants.

6. **Final Answer**:
- Both assertion and reason are false.