The national average price for a gallon of diesel reached a new record high this week at $5.718 a gallon, according to data released by the Energy Information Administration June 13.
EIA made survey changes to its methodology this week, so a direct comparison to previous prices is not particularly pertinent. But last week under the earlier methodology, diesel was $5.703 a gallon, and last year at this time it was $3.286 a gallon.