How to remove oil stains off of concrete?

What is the fastest and safest way to remove oil and grease stains off of concrete?

Did you Goggle it?? Don’t get just a whole lot of help on here ever now and then somebody will step up.
I did Google it and got a few ideals… This Carb cleaner was the best

He’s probably not getting a whole lot of responses because the question has been answered here and in every other forum about 76,000 times.