The desulfurization of distillate fuels continues this year. Before the Environmental Protection Agency (EPA) regulation began in 1993, diesel fuel contained up to 0.5% (5,000 parts per million or ppm) sulfur. EPA began phasing in more stringent regulatio…
The desulfurization of distillate fuels continues this year. Before the Environmental Protection Agency (EPA) regulation began in 1993, diesel fuel contained up to 0.5% (5,000… https://oilandenergyonline.com/articles/all/desulfurization-next-chapter/