Small business self-certification, a one-year certification which requires annual renewal, is a prerequisite for verification as a Small Diverse Business. Visit smallbusiness.pa.gov for program guidelines, Frequently Asked Questions (FAQs), and step-by-step instructions for the self-certification process.
The main uses for coal are Fuels, Plastics and Electricity.
Coal is the most plentiful nonrenewable resource in the world and is used to create more than half of the electricity used in the U.S. Coal is made when plant material has been compressed in bogs for millions of years.