How do you get black grease stains off a carpet?

I came home from work the other day and inadvertantly walked in with my boots putting greasy stains on my carpet.
I am reluctant to clean until I know the best method to remove. If anyone could please assist on how ro remove the grease staind I would be forever in your debt. Thank you.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).