CHICAGO, Illinois, May 15 -- The U.S. Department of Labor's Bureau of Labor Statistics - Midwest Regional Information Office issued the following report on May 14, 2021, entitled "Average Energy Prices, Chicago-Naperville-Elgin - April 2021": Gasoline prices averaged $3.072 per gallon in the Chicago-Naperville-Elgin area in April 2021, the U.S. Bureau of Labor Statistics reported today. Regional Commissioner Jason Palmer noted that area gasoline prices were up $1.136 compared to April 2020, whe  more