What device can be fitted to cars to reduce the emission of gases that causes acid rain?

A device that can be fitted to cars to reduce the emission of gases that cause acid rain is a catalytic converter. Here are the steps explaining how it works:

1. The catalytic converter is installed in the exhaust system of a car.

2. As the exhaust gases pass through the converter, they come into contact with catalysts made of platinum, palladium, and rhodium.

3. These catalysts facilitate chemical reactions that convert harmful gases into less harmful substances before they are emitted from the car's exhaust.

4. Specifically, the catalytic converter turns carbon monoxide (a poisonous gas) into carbon dioxide, converts nitrogen oxides (which contribute to smog and acid rain) into nitrogen and oxygen, and transforms unburnt hydrocarbons (which also contribute to smog) into carbon dioxide and water.

By doing this, the catalytic converter significantly reduces the car's emissions of the harmful gases that cause acid rain.