advantages living united states cheap gasoline driving luxury past prices roof suffering trouble fundamental requirement live suburbs drive rickshaw stand nearby walk human driven absolutely green vehicle merrily coast local grocery store major human rights issue dreams entrepreneurial venture option save gasoline costs sort motivated research interesting saving tips obvious hope find specific order category tips share drive fewer cars country freedom extremes drive guzzlers compromise share rides participate carpool saves quite miles round trip commute family husband wife separate cars destination compromise schedule save money aggressive driver sudden urges beat road dust chances bills quite astronomical avoid flooring pedal long view road brake slow easy tests conducted edmunds shown average savings slowed -to- -mph acceleration time current seconds normal pace seconds you'll feel savings immediately edmunds website suggests slowing speed highways save average economical speed limit common belief turning conditioner saves turns case edmunds tests apparently modern climate control systems cars highly efficient consume alarming amount extra stay cool slightly longer rides cruise control tests suggest save percent average savings idle excessively save recommendation stop minute turn engine avoid long warm-up periods seconds cold mornings gasoline coolest time early morning late evening times gasoline densest pumps measure volumes gasoline densities fuel concentration charged volume measurement carefully choose brand quality mileage higher octane manual specifically asks filling clicks times improperly seated caps million gallons fuel vaporize year finally gasoline station offering lowest price websites offers prices stations local area website http automotive gas-prices 