ASTM D-1 (Fuels and Lubricants)

ASTM D-1 refers to a series of standards developed by ASTM International that focus on the testing and evaluation of fuels and lubricants. These standards aim to ensure the quality, performance, and safety of these products used in vehicles and machinery. They cover various properties, such as viscosity, combustion characteristics, and pollution emissions. By adhering to these standards, manufacturers can produce reliable fuels and lubricants that meet regulatory requirements and consumer expectations, helping to enhance engine efficiency and reduce environmental impact.