Cars with internal combustion engines — as opposed to electric vehicles, which still depend on a few fluids themselves — require various fluids to keep everything running smoothly. If you've been ...

In an average four-cylinder engine running at 1,500 revolutions per minute, 50 explosions to convert the chemical energy from fuel into mechanical energy that moves a vehicle are happening every ...

The internal combustion engines that power most of our vehicles depend on a steady supply of engine oil for lubrication and friction reduction. This fluid comes in various different viscosities or ...