# Gas Tank **Gas Tank**\ The Loopring Gas Tank serves as your designated account for pre-paying transaction fees. Here are additional benefits associated with filling up your gas tank in advance: **Savings of Gas Fees**:\ By pre-funding your gas tank, you effectively circumvent the need for an extra token transfer from your account to the paymaster, resulting in substantial savings of approximately 30,000 gas fees per each transaction. **Segregated Gas Fee Storage**:\ A dedicated account for storing gas fees eliminates concerns about surpassing the available balance after deducting the gas fee, providing you with a streamlined and worry-free transaction experience. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs-wallet.loopring.io/additional-features/gas-tank.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.