Ah, I was confused by the bit about the 4x4 being 20/20. 20 to 21 doesn't seem like a 50% jump, you see, and that 14 mpg figure wasn't actually mentioned anywhere in the article. I suppose it's just the kind of thing that irks me about certain types of journalism- numbers thrown around out of context and needing a translator to understand the jargon or a textbook to tell whether the information presented is reasonable, ridiculous, misleading or even faked. Thanks for the clarification, Bob. (though all the random slams in your explanation about undocumented immigrants seemed a bit unnecessary and OT)