Gallon (Winchester) bushel, originally a cylindrical measure of inches in diameter and 8 inches in depth. That made the dry gallon . The bushel, which like dry quart and pint still sees some use, was later defined to be 2150.42 cubic inches exactly, making its gallon exactly (). In previous centuries, there had been a corn gallon of around 271 to 272 cubic inches. The "wine", "fluid", or "liquid gallon" has been the standard US gallon since the early 19th century. The wine gallon, which some sources relate to the volume occupied by eight medieval merchant pounds of wine, was at
Miles per gallon gasoline equivalent a gallon of gasoline. The new labels also show for the first time an estimate of how much fuel or electricity it takes to drive , introducing to U.S. consumers with fuel consumption per distance traveled, the metric commonly used in many other countries. EPA explained that the objective is to avoid the traditional miles per gallon metric that can be potentially misleading when consumers compare fuel economy improvements, and known as the "MPG illusion." As mentioned above, confusion and misinterpretation is common in the public between the two types of "fuel efficiency". Fuel economy measures how far a vehicle