What are the advantages of using CNG and LPG as fuels? Give three points.

Explanation

### Step-by-Step Text Solution:

1. **Clean Fuels**: CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas) are considered clean fuels because they burn efficiently and produce minimal pollutants. When burned, they do not leave behind any residue, which means they contribute less to air pollution compared to traditional fuels like coal or diesel.

2. **Cost-Effectiveness**: Both CNG and LPG are generally more economical compared to other fossil fuels. Their lower cost makes them an attractive option for consumers and businesses alike. This affordability allows for direct usage in various applications, including cooking and transportation.

3. **Availability**: CNG and LPG are widely available in many regions. Their infrastructure for distribution is well-established, making it easy for users to access these fuels. This availability ensures that consumers can rely on CNG and LPG for their energy needs without significant shortages.