Internal Combustion Engines Are Still 85% Inefficient


You might be surprised to hear, that after all this time, with so many compelling reasons to make vehicles more energy efficient, that the internal combustion engine still only uses 15% of the energy it receives from gasoline. I sure was.

A century ago, when the internal combustion engine was invented, climate change and peak oil were hardly on the radar. But even today, a century later, with all we know now, a solid 85% of the energy derived from oil is still wasted on the gas car.

According to the EPA, 62% of that loss is right in the gas tank.
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