gas-cost
There are 2 repositories under gas-cost topic.
pub-calculator-io/gas-cost-calculator
Free WordPress Plugin: This free gasoline cost calculator evaluates the fuel cost of a journey using several units of measurement depending on fuel efficiency, distance, and gas price. www.calculator.io/gas-cost-calculator/
martmallol/roadtrip-gas-cost
This web page calculates how much money you'll have to spend on gas for your next roadtrip. It determines it basing on the routes you'll take.