5th tank of gas @ 7,626 km
Five fill-ups, 7,626 km, 116.59 L of gas. The Prius PHEV is averaging 1.53 L/100km gas-only, $5.51/100km total energy cost — roughly half what the old Civic would cost. Now with charts.
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4th tank of gas @ 5,927 km
Updated Prius PHEV gas usage tracking with 4th fill-up data and electricity cost analysis.