diff --git a/test/input_files/air.xml b/test/input_files/air.xml
index a4f35f1ef..9635e3ed0 100644
--- a/test/input_files/air.xml
+++ b/test/input_files/air.xml
@@ -1000,6 +1000,14 @@
            </floatArray>
         </NASA9>
       </thermo>
+      <transport model="gas_transport">
+        <string title="geometry">atom</string>
+        <LJ_welldepth units="K">71.400</LJ_welldepth>
+        <LJ_diameter units="A">3.300</LJ_diameter>
+        <dipoleMoment units="Debye">0.000</dipoleMoment>
+        <polarizability units="A3">0.000</polarizability>
+        <rotRelax>0.000</rotRelax>
+      </transport>
     </species>
   
     <!-- species C+    -->
@@ -1462,6 +1470,14 @@
            </floatArray>
         </NASA9>
       </thermo>
+      <transport model="gas_transport">
+        <string title="geometry">linear</string>
+        <LJ_welldepth units="K">75.000</LJ_welldepth>
+        <LJ_diameter units="A">3.860</LJ_diameter>
+        <dipoleMoment units="Debye">0.000</dipoleMoment>
+        <polarizability units="A3">0.000</polarizability>
+        <rotRelax>1.000</rotRelax>
+      </transport>
     </species>
   
     <!-- species CN+    -->
@@ -1526,6 +1542,14 @@
            </floatArray>
         </NASA9>
       </thermo>
+      <transport model="gas_transport">
+        <string title="geometry">linear</string>
+        <LJ_welldepth units="K">98.100</LJ_welldepth>
+        <LJ_diameter units="A">3.650</LJ_diameter>
+        <dipoleMoment units="Debye">0.000</dipoleMoment>
+        <polarizability units="A3">1.950</polarizability>
+        <rotRelax>1.800</rotRelax>
+      </transport>
     </species>
   
     <!-- species CO+    -->
@@ -1590,6 +1614,14 @@
            </floatArray>
         </NASA9>
       </thermo>
+      <transport model="gas_transport">
+        <string title="geometry">linear</string>
+        <LJ_welldepth units="K">244.000</LJ_welldepth>
+        <LJ_diameter units="A">3.760</LJ_diameter>
+        <dipoleMoment units="Debye">0.000</dipoleMoment>
+        <polarizability units="A3">2.650</polarizability>
+        <rotRelax>2.100</rotRelax>
+      </transport>
     </species>
   
     <!-- species F    -->