As a new generation of cars and light trucks start appearing in dealer showrooms, EPA and NHTSA are introducing a new generation of “fuel economy” labels. The goal is to enable simple, well-informed comparisons across all vehicle technologies, including electric vehicles (EV), plug-in hybrid electric vehicles (PHEV), and gasoline/diesel vehicles. Help EPA and NHTSA decide [...]

Almost half of the gasoline now sold in the U.S contains up to10 percent ethanol, added to boost octane or meet air quality standards. The EPA plans to increase this to 15 percent.This is the result of the Energy Independence and Security Act of 2007 mandating an increase in renewable fuels, including ethanol, to 36 [...]