Experts predict Americans will buy about twice as many diesels as hybrids by 2012. New technology enables diesels to meet the toughest emissions rules.
Toyota Prius claims 54.7 MPG but getting about 42 MPG in Europe
Diesel-powered cars like VW Passat can better that w/ much better performance
US accounts for about 70% of global hybrid sales, w/ 23% in Asia, only 7% in Europe
Diesels account for 50% of car sales in Europe