Vitalik Buterin has proposed a new Ethereum Improvement Proposal with Ethereum developer Ansgar Dietrichs to reduce Layer 2 gas expenses in the short term while more effective long-term solutions are explored. EIP-4488 aims to reduce Layer 2 gas prices by lowering cost of transaction calldata and ZK-Rollups, and by imposing a limit on the total amount of transaction calldata that can be in a block.