I have to disagree. I only read a few of the comments, but the first one (at the time I read the article - I didn't notice what order they were in) had it dead right. The problem is not people driving 65 or 75 instead of 55, it's people driving humongous gas-guzzlers that'd still get under 20 mpg at 55 mph or less. (And often enough they're driving the guzzlers on city streets, so they're going much less than 55 anyway.) Meanwhile I'm out here driving (for the last 6 years) a car that gets over 70 mpg, and before that a Honda CRX that'd average over 40 mpg despite my not infrequently topping 90 mph.
What we need are not lower speed limits, but higher mpg standards: 75 mpg (or electric equivalent) at a steady 75 mph.
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