Originally Posted by
79pmooney
Not always. The Prius C has a drivetrain tailored to city driving and fares worse at highway speeds, especially as the speeds get above ~60 mph. Then it becomes simply more work and the engine has to run full time. You get to see that wind resistance is quite real - in real time with the running MPG on the dash and in the wallet at the gas pump.
Ben
Isn't that also because braking the Prius generates electricity so stop and go actually uses less gas?