Ultra-low sulfur diesel (ULSD) is a cleaner-burning diesel fuel with a sulfur content of 15 parts per million (ppm) or less, making it approximately 97% cleaner than traditional low-sulfur diesel, which had up to 500 ppm sulfur.

Uses of ULSD:

• Required for all diesel engines: ULSD is necessary for diesel engines manufactured from 2007 onward to prevent damage to advanced emissions control systems.
• Environmental Compliance: Supports compliance with regulations aimed at reducing harmful emissions, such as nitrogen oxides and particulate matter.

Benefits of ULSD:

• Health and Environmental Impact: Reduces respiratory health issues and pollution.
• Advanced Emissions Control: Enables the use of advanced emission control technologies in diesel engines.

Drawbacks of ULSD:

• Higher Costs: Increased production costs lead to higher fuel prices.
• Lower Lubricity: The reduced lubricity can result in increased engine wear and higher maintenance costs.