<li><b>Phosphoric acid fuel cells (PAFCs):</b> PAFCs are used in stationary power generation applications. They are less efficient than other types of fuel cells but are relatively inexpensive.</li>
<h3>Step 1: Remove Loose Debris</h3>
<li><b>Autothermal reforming (ATR):</b> ATR is a variation of SMR that uses oxygen to partially combust the natural gas, reducing the amount of carbon dioxide produced.</li>