Here’s a quick test:
A European Audi gets 78 miles per gallon. 
If Americans drove these, there would be no mideast crisis, no energy crisis, and we could buy time to convert to renewable energy. Check out this link:greendepot.org
Now, here are links to Senators Boxer and Feinstein, so that you
can write them a quick email urging them to create a bill requiring
U.S. cars to get 50 miles per gallon+
Email Senator Feinstein
Email Senator Boxer
If you take two and a half minutes to do this, congratulations! You
are not lame.