Quote:
Originally Posted by RedDevil
Most cars are more efficient at 130 km/h (80 mph, our max speed limit) than at 180 km/h, that's how..
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But that speed-related inefficiency only applies in the instances where you go 180 km/hr. A vehicle that gets say 15 mpg at 130 km/hr is ALWAYS much less efficient than one that gets 60 mpg, regardless of what speed you choose to travel at.