Environment News Service: Technologies like gasoline direct injection engines, turbochargers, and advanced transmissions are responsible for a big improvement in the average fuel economy of vehicles sold in the United States last year, the U.S. EPA says in a new report.
Model year 2012 vehicles achieved an all-time high fuel economy of 23.6 miles per gallon. A 1.2 mpg increase over the previous year, it`s the second largest annual increase in the last 30 years, according to the report, "Light-Duty Automotive Technology,...