Urban areas of Alaska are required to use 15 parts per million (ppm) sulfur standard diesel fuel (ULSD) for all diesel powered:
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Rural areas of Alaska are required to use 15 ppm sulfur standard diesel fuel for all diesel powered:
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*Exception to the rule: Locomotives and Marine (LM) diesel engines in Urban Alaska are required to transition to 15 ppm sulfur standard effective June 1, 2012.
Click here to see the Federal Implementation Dates for On-road, Non-road, Locomotive and Marine diesel fuels for all areas of Alaska.
Click here for the summary of Dates and Federal Regulations on Stationary Compression Ignition Internal Combustion Engines (CI ICE)
Click here for ULSD dispenser label requirements
Frequently Asked Questions on Ultra Low Sulfur Diesel:
- General Questions and Answers
- Stationary Compression Ignition Internal Combustion Engines (CI ICE)
- New Source Performance Standard (NSPS)
- Small Refiner Provisions
The map below shows Rural (areas not accessible by Federal Aid Highway System (FAHS) and Urban areas of Alaska.
Alaska Fuel Distribution
(Click Image for larger view)
