Miles per hour be used to express the speed of delivery of a ball in sporting events such as cricket, tennis and baseball. Miles per hour Miles per hour (abbreviated mph, MPH or mi/h) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one hour. It is used in the United States, United Kingdom and many Commonwealth nations, particularly in the Caribbean region. Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions (elsewhere kilometers per hour are used): Road traffic speeds in other countries are indicated in
Miles per gallon gasoline equivalent internal combustion engine vehicles powered by gasoline and diesel, in order to help consumers choose more efficient and environmentally friendly vehicles. These changes were proposed to be introduced in new vehicles beginning with model year 2012. The EPA rating for on board energy efficiency for electric vehicles before 2010 was expressed as kilowatt-hour per 100 miles (kW-h/100 mi). The window sticker of the 2009 Mini E showed an energy consumption of 33 kW-h/100 mi for city driving and 36 kW-h/100 mi on the highway, technically equivalent to 102 mpg city and 94 mpg highway. The 2009 Tesla Roadster was rated