not surprisingly, the average price of a gallon of gas in Mono county Ca is $6.75

The average in San Luis Obispo and Inyo counties reached $6.24 and $6.23, respectively, , while Mono County’s average reached $7.00 on Thursday. 

 https://www.usatoday.com/story/money/2022/05/17/highest-gas-prices-california-mono-county/9746373002/?gnt-cfr=1

https://www.theguardian.com/business/2022/may/19/california-gas-average-6-gallon-record-high

https://calmatters.org/newsletters/whatmatters/2022/05/california-gas-prices-inflation/

https://www.latimes.com/california/story/2022-05-18/los-angeles-gas-price-leads-the-nation-with-average-reaching-record-breaking-6-08