I don't think so. Now that people are more conscious of what is going on in the world with the environment, many feel good about their decision to get out of the Expedition and into the Prius. More importantly, many people were caught off guard by the sudden hike and they found themselves making life-changing decisions based upon it.
They won't make the same mistake twice. SUVs will remain a luxury for a while to come.
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Read more about J.D. Rucker on this blog.