As modern engines have been designed with tighter tolerances, and many with gasoline direct injected (GDI) and turbocharged direct injected (TGDI) engines, low viscosity motor oils are required for their operation. Low viscosity oils such as 5W-20, 0W-20 and even 0W-16 can also provide a fuel economy benefit. With these...
API has learned that high demand for the ASTM D7528 (ROBO) test resulting from testing in advance of the May 1, 2020 first-licensing date for the new ILSAC GF-6A, ILSAC-GF-6B and API SP with Resource Conserving standards, has contributed to a backlog at independent test laboratories. With this in mind,...
