Fuel economy has become a major influence on the light vehicle market, and April 2014 saw the average new car fleet get less efficient.
In total, light-duty vehicle fuel economy dropped to an average of 25.2 mpg, down from 25.4 mpg in March, 2014. The 25.4 mpg figure in March is the highest ever fuel economy recorded in this test, which started at 20.1 mpg when the University of Michigan Transportation Research Institute (UMTRI) first began recording this data in 2007.
New fuel economy standards imposed by the government state that each manufacturer must have its average fleet fuel economy to 54.5 mpg by the year 2025. This has put the squeeze on car makers to produce more fuel efficient vehicles, turning to alternative sources like hybrids, EVs, diesels and now hydrogen.
UMTRI takes the monthly sales of all new vehicles, and averages out the numbers based on the vehicles EPA fuel economy ratings.