This update of the last global fuel economy trends, published in 2013, It aims to deliver more robust and internationally comparable results. It adds two more years (2012 and 2013) and three more countries to earlier analyses, and it includes substantial methodological changes. It finds that (1) average fuel economy improved 2.0% per year globally between 2005, (2) the rate of fuel economy improvement has been weaker in non-OECD, (3) the global average rate of fuel economy improvement has been slowing and (4) the relative share of passenger car markets regulated by fuel economy policies decreased from 2005 to 2013.
Global Fuel Economy Initiative (GFEI)
31 December 2014