Quote:
Originally Posted by nemo
Wonder why they are using compressed air for energy storage instead of just compressing the hydraulic fluid?
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Well they can't store the energy in the liquid because liquids don't compress.
Conversly, gas doesn't work well as the working fluid in the motor/pump, precisely because it is compressible, and compression/expansion causes heating/cooling which in turn causes a great loss in efficiency.
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2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US)
2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)