Literal question
<span class="h2">Housing</span></p>
<p><span class="em">Please answer the following questions about the house, apartment, or mobile home at the address on the mailing label.</span></p>
<p>13. Which fuel is used most for heating this house, apartment or mobile home?</p>
<div class="i1">[] Gas: from underground pipes serving the neighborhood<br />[] Gas: bottled, tank or LP<br />[] Electricity<br />[] Fuel oil, kerosene, etc.<br />[] Coal or coke<br />[] Wood<br />[] Solar energy<br />[] Other fuel<br />[] No fuel used</div>