- A voter challenges Ted Cruz on his stance on the Renewable Fuel Standard
- The RFS is a a federal rule that requires gasoline to be comprised of up to 10% in renewable fuels
Waverly, Iowa (CNN)Jerry Calease was the final voter in the final room on the final night of a 28-county bus tour. The rows here at the Wartburg College auditorium were cleared out. Ted Cruz had worked the room to extinction.