What is giving tax dollars to businesses that install pollution control equipment called? 

A)  tradable pollution rights 
B)  subsidies for beneficial actions 
C)  regulation 
D)  user fees

Subsidies

Financial support provided by the government to assist industries, businesses, or individuals, often used to stabilize prices, encourage development, or ensure supply.

Pollution Control Equipment

Devices or systems used to reduce or eliminate the release of pollutants into the environment, including air, water, and soil.

Tax Dollars

Money collected from individuals and businesses by the government through various forms of taxation, used to fund public services and infrastructure.