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55 mph


What happens when highway drivers are forced to go 55 mph (it's not pretty)

Everyone's probably familiar with the idea that engines in cars produced today are tuned to burn gasoline most efficiently when the car is moving at about 55 mph, right? I thought I'd heard that some newer cars were tuned for a slightly higher speed (60 or so), but I haven't been able to confirm that. Anyway, the point is that cars do not run their best at 70 or 75 miles per hour. Nonetheless, most of us don't drive 55, even in areas where that's the speed limit. Some young people in Atlanta decided to commit an "act of civil obedience" and ... Read more →

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