On fuel economy efforts, the U.S. faces an elusive target: http://e360.yale.edu/feature/on_fuel_economy_efforts_us_faces_elusive_target/2980/ … via @MarcGunther
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On fuel economy efforts, the U.S. faces an elusive target: http://e360.yale.edu/feature/on_fuel_economy_efforts_us_faces_elusive_target/2980/ … via @MarcGunther