52 MPG At 70 MPH? No, Not In A Prius--In A Porsche Panamera
Green Car Reports
MARCH 29, 2012
Steady-speed highway cruising doesn't actually take that much energy compared to accelerating up to, say, 70 mph in the first place. The really hard part is getting consistently high gas mileage in all driving conditions--which is why the 50-mpg Toyota Prius hybrid is still a remarkable vehicle.
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