The national average for a gallon of on-highway diesel is below $5 for the first time since early March, according to the latest weekly update from the Department of Energy’s Energy Information Administration.
During the week ending Aug. 8, diesel prices across the U.S. fell by an average of 14.5 cents to a national average of $4.99 per gallon. The last time the national average was below $5 was the week ending March 7, when the national average was $4.85 per gallon.
