Notice the dramatic uptick in fuel economy after the oil embargo of the 1970s. Economy went from about 12 mpg to about 20 in just about 5 years, an improvement of over 60 percent in a very short time.
Then economy was flat to declining for 30 years.
Since we've committed ourselves to the suburban lifestyle, it only makes sense to get the best fuel economy we can. And if anyone can do it, the Japs can.
Story here.
