Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Some emissions control systems also rely on this negative pressure to prevent crankcase fumes from escaping. In the old days, engine vacuum even powered the wipers. A classic muscle car might have ...

“As engine technology and fuel technology have evolved, the environment in the crankcase has changed,” says Stede Granger, Shell Lubricants. Twenty-five years ago, fuel sulfur levels hovered ...