The average U.S. diesel exhaust fluid pump price remained at $2.74 per gallon between March and April 2012, after declining by 1 cent between February and March, according to discoverDEF.com.
The average U.S. diesel exhaust fluid pump price remained at $2.74 per gallon between March and April 2012, after declining by 1 cent between February and March, according to discoverDEF.com.