(1) (GAS) (
Google
Automotive
Services) See
Android Automotive.
(2) The fee paid for processing a transaction on the Ethereum blockchain. Fees are paid to miners/validators in Ethereum's native ether (ETH) cryptocurrency, and the gas-to-ether conversion rate fluctuates because the value of one ETH is constantly changing.
Miners Pick Their Transactions Based on Gas
Miners pick and choose their transactions, and although it is more lucrative to pick the transactions with the highest gas fees, smart miners will also choose a large number of small-fee transactions in order to speed up the mining process. See
Ethereum 2.0 and
crypto fee.