Quote:
Originally Posted by 5.3Avalanche
Although true, I think that the extra electricity cost outweighs the extra gasoline usage. Then you're back to square one.
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Not sure about that : a block heater will use 750 kW. For two hours, it's 1.5 kWh. At 0,07 S /kWh, it's about 0,11 $. If I save just 0,5 L of gas (1,15$ /L), it's still less expensive.
And it reduces engine wear, my car get warm faster, it helps reduce emissions, and since power come from hydroelectricity and wind power it's good for the environment.