Energy Efficiency and Emissions
Recent PublicationsSEE MORE
Last year, I issued a report comparing energy intensities of flying and driving from 1970 through 2010. The main finding of that study...
Michael Sivak, Brandon Schoettle
We have recently shown that the average EPA-rated fuel economy of purchased, new, light-duty vehicles in the U.S. improved from 20.8...
This study was designed to examine how using tires that are at the current extremes of rolling resistance affects fuel consumption by...
This report analyzes recent trends in the amount of energy needed to transport a person in the U.S. a given distance either in a light-...
This report explores ways in which the properties of trucks and regulations governing them might be modified to improve freight...