"Rural Ozone Can Be Fed by Feed (as in Silage)" [1]
"The alcohol in silage can drive significant ozone formation, exceeding the contribution from tailpipe emissions."
Janet Raloff reports for Science News April 21, 2010. [2]
Agriculture [3]
National (U.S.) [4]
Public [5]
Source: Science News [2], 04/27/2010