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A fuel cell vehicle (FCV) or fuel cell electric vehicle (FCEV) is an electric vehicle that uses a fuel cell, sometimes in combination with a small battery or supercapacitor, to power its onboard electric motor. Fuel cells in vehicles generate electricity generally using oxygen from the air and compressed hydrogen.
By December 27, all M4A1s (average mileage of 166 hours) and one M4A3 were out of order, but not a single tank with a diesel engine. By February 18, tests for the M4A2 ended. Three tanks failed after 276, 278, and 353 hours, respectively, while one covered 4295 miles in 403 hours and was still on the move.
The harmonic mean captures the fuel economy of driving each car in the fleet for the same number of miles, while the arithmetic mean captures the fuel economy of driving each car using the same amount of gas (i.e., the 13 mpg vehicle would travel 13 miles (21 km) with one gallon while the 100 mpg vehicle would travel 100 miles).
For example, the manufacturing cost of a car (i.e., the costs of buying inputs, land tax rates for the car plant, overhead costs of running the plant and labor costs) reflects the private cost for the manufacturer (in some ways, normal profit can also be seen as a cost of production; see, e.g., Ison and Wall, 2007, p. 181).
Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen . [ 2 ]
Car Fuel Consumption Official Figures; Spritmonitor.de "the most fuel efficient cars" - Database of thousands of (mostly German) car owners' actual fuel consumption figures (cf. Spritmonitor) Searchable fuel economy data from the EPA - United States Environmental Protection Agency; penghemat bbm - Alat penghemat bbm
Scientific calculator designed by Kinpo Electronics, Inc., with the same form factor as the 9g and the 30S HP-10: 1977 Basic four-function calculator with printer and conventional arithmetic entry (no RPN). HP-10B: 1987 Financial calculator HP-10C: 1982 Range entry calculator, Scientific Programmable, statistical functions. HP-10S+ 2012
English inventor Thomas Parker, who was responsible for innovations such as electrifying the London Underground, overhead tramways in Liverpool and Birmingham, and the smokeless fuel coalite, built an electric car in London in 1884, using his own specially designed high-capacity rechargeable batteries. [27]