exhaust emissions
using MOVES emission factors.</p>
    </div>

    <pre class="usage"><span class='fu'>moves_exhaust</span><span class='op'>(</span>
  <span class='va'>veh</span>,
  <span class='va'>lkm</span>,
  <span class='va'>ef</span>,
  source_type_id <span class='op'>=</span> <span class='fl'>21</span>,
  fuel_type_id <span class='op'>=</span> <span class='fl'>1</span>,
  pollutant_id <span class='op'>=</span> <span class='fl'>91</span>,
  road_type_id <span class='op'>=</span> <span class='fl'>5</s