The average price of a gallon of diesel fuel in the United States increased over 6 cents the week of April 16, 2018. The price jumped to $3.104 a gallon making it the largest single increase of the year. This price is up over 50 cents a gallon more than this time last year, when it was $2.597. Because of this volatile market, some carriers are operating trucks that run on compressed natural gas.
source:transport topics
The U. S on-highway diesel fuel price for the week of April 22, 2018 averaged $3.133 per gallon. It has been on the rise for the past month. The most expensive region in America is on the West Coast. The price per gallon ranges from $3.616 to nearly $4.00 at $3.815. The only region in the country less than $3.00 per gallon is the Gulf Coast at $2.936. 
Source: www.eia.goc/ diesel
The United States on-highway diesel fuel price for the week of 4/02/18 averaged $3.042 per gallon. This price is up 0.032 from the previous week. The price increased in every region in the country. California remained the highest price at $3.714 per gallon. The Gulf Coast region continues to be the most economical at $2.851 per gallon.
