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The (Marketing?) Value of 4 MPGe





The Ford Focus Electric was rated at 110 MPGe (see *note below), making it the "King" of electric vehicles because it beat the Nissan Leaf by 4 MPGe . If we look at how many "gallon equivalents" are being saved per 100 miles, that works out to:

Ford Focus: 100/110 MPGe = .91 gallon equivalents

Nissan Leaf: 100/106 MPGe = .94 gallon equivalents

That's right: The Focus saves the equivalent of .03 gallons of gas every 100 miles compared to the Leaf. For these comparisons of efficient vehicles, "miles per anything" is a marketing gimmick.





*Note: And, as we've noted before, MPGe is a poor metric. Besides having the wrong number on top (thereby perpetuating the bad math done with MPG), it has a highly uninformative number on the bottom: An energy unit that is equivalent (hence, e) to a gallon of gas. But this energy unit could come from regular gas, natural gas, electricity made from hydro, electricity made from nuclear, or electricity made from coal, all with different implications for GHG emissions. And the electricity could cost 22 cents per kwh in Connecticut or 6 cents per kwh in North Carolina.





Crossovers Help Drop US Oil Consumption









" The price of gasoline keeps rising for Americans, but it's not because of rising demand from consumers. Since the first Arab oil embargo of the 1970s, the U.S. has struggled to quench a growing appetite for oil and gasoline. Now, that trend is changing.





"When you look at the U.S. oil market, you see that there's actually no growth," says Daniel Yergin, chairman of IHS Cambridge Energy Research Associates. He says gasoline demand peaked in 2007 and has fallen each year since, even though the economy has begun to recover.





"The U.S. has already reached what we can call 'peak demand.' Because of increased efficiency, because of biofuels, we're not going to see growth in our oil consumption," Yergin says.



