How can the pollution due to transportation be reduced ?

Explanation

### Step-by-Step Solution:

1. **Identify the Source of Pollution**:
- Transportation primarily contributes to pollution through the burning of fossil fuels like petrol and diesel. These fuels release toxic gases into the atmosphere.

2. **Explore Alternative Fuels**:
- To reduce pollution, we can switch from traditional fossil fuels to cleaner alternatives. Two examples of cleaner fuels are Compressed Natural Gas (CNG) and Liquefied Petroleum Gas (LPG).

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