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ECO driving.

2007-06-17 01:05:51 | What is Today.
I'm practising "ECO driving" recently.
When I wait to change traffic lights, I usually stop an engine.
Then CO2 is reduced and mileage improve.

My car's mileage is nomaly 9.5km/liiter.
But I refueled today. Then it was 10.5km/litter.