Ultra-low sulfur diesel

Ultra-low sulfur diesel (ULSD) is a type of diesel fuel that has significantly less sulfur than previous generations of diesel fuel. In the United States, the maximum sulfur content of ULSD is 15 parts per million (ppm), compared to the 500 ppm limit in previous generations of diesel fuel. In Europe, ULSD has a maximum sulfur content of 10 ppm.

The lower sulfur content in ULSD has significant environmental benefits. Sulfur emissions contribute to air pollution and can be harmful to human health, so reducing sulfur emissions is an important goal for many governments and regulatory bodies. ULSD helps to achieve this goal by reducing sulfur emissions from diesel engines.

In addition to reducing sulfur emissions, ULSD has other benefits for diesel engines. The fuel is designed to work with newer diesel engines that are designed to meet the latest emissions standards. These engines require a fuel with a lower sulfur content in order to operate efficiently and effectively. Using ULSD can also help to extend the life of diesel engines by reducing wear and tear on engine parts.

ULSD is widely used in a variety of applications, including transportation, construction, and agriculture. It is compatible with all diesel engines, including older engines that were designed to use higher-sulfur fuels. The fuel has a clear or slightly yellowish color and a characteristic diesel fuel odor.

In summary, ULSD is a type of diesel fuel that contains significantly less sulfur than previous generations of diesel fuel, with a maximum sulfur content of only 15 parts per million. This ultra-low sulfur content helps to reduce emissions and improve air quality, making it an ideal fuel for use in diesel engines designed to meet the latest emissions standards. ULSD is widely used in various applications, including transportation, construction, and agriculture.