If you own NEO it will generate GAS for you. Basically for owning NEO you are gaining a dividend in the form of GAS.
To claim your GAS move your NEO to the NEO Neon Wallet. Then click Claim GAS.
If you bought your NEO on the Kucoin exchange you will claim your GAS automatically within the exchange.
Yes, I realize how it reads when I am writing about GAS.
And because I couldn’t resist