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Ultra-Low Sulfur Diesel (ULSD)

Urban areas of Alaska are required to use 15 parts per million (ppm) sulfur standard diesel fuel (ULSD) for all diesel powered:

  • Highway/on-road vehicles (automobiles and trucks)
  • Non-road/off-road equipment (graders, bulldozers, backhoes, etc.)
  • Locomotive and Marine engines

Rural areas of Alaska are required to use 15 ppm sulfur standard diesel fuel (ULSD) for all diesel powered:

  • Highway/on-road vehicles (automobiles and trucks)
  • Non-road/off-road equipments (graders, bulldozers, backhoes, etc.)
  • Locomotive and Marine engines

Ultra-low Sulfur Diesel Links:

Frequently Asked Questions on Ultra-low Sulfur Diesel:

The map below shows Rural (areas not accessible by Federal Aid Highway System (FAHS) and Urban areas of Alaska.

Alaska Fuel Distribution (Select image for larger view)

Fuel Distribution map Fuel Distribution Map