Vehicle standards around the world aim to improve fuel economy and reduce emissions

Nine countries and regions, which together account for 75% of global fuel consumption by light-duty vehicles, have adopted mandatory or voluntary standards for increasing fuel economy and reducing greenhouse gas (GHG) emissions. The intent and structure of these emissions policies vary widely around the world. Because fuel economy and GHG emissions policies have large effects on fuel consumption, vehicle standards are one of the most important components of future demand for liquid fuels.