Really....Read the entire article...it references methane gas from farms as well...even shows a picture of cows!

"Milloy also suggested the new methane emissions rule will likely be ineffective, considering it targets the oil and gas sector but not the agricultural sector as well. 
"The largest source of methane is actually microbes," Milloy pointed out — as opposed to man-made power plants. Microbes are tiny organisms that live in cow's stomachs, agricultural fields and wetlands, according to The Washington Post."