where does diesel fuel come from?

best answer
Most of the diesel fuel consumed in the United States is produced in U.S. oil refineries U.S. oil/petroleum refineries produce most of the diesel fuel the United States consumes. Most of the diesel fuel consumed in the United States is distillate fuel with a sulfur content of 15 parts per million or less which is called ultra-low sulfur distillate/diesel or ULSD.