Diesel fuel prices in the United States topped $6 a gallon for the first time ever.  | Joe Raedle/Getty Images This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. Diesel prices hit an all-time high on last week. Then another, and another.  According to AAA, the average price of diesel as of September 10 stands at a staggering $5.98 — about $2.31 more than in late February, when the United States and Israel launched a war against Iran. The jump has been even higher in some states, such as California, where a gallon of diesel...