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Hydrogen at atmospheric pressure has an energy density of 120 MJ/kg (113,738 BTU/kg), [88] by converting this energy density to a GGE, it is found that 1.011 kg of hydrogen is needed to meet the equivalent energy of one gallon of gasoline. This conversion factor can now be used to calculate the MPGe for this vehicle.
2012 Nissan Leaf (Germany) Initially, the Leaf was available exclusively with a large battery pack composed of 192 flat, laminated lithium-ion cells developed in collaboration with NEC, which offers advantages such as simplified design, efficient cooling, and optimal packaging. The battery pack is located under the floor and between the wheels ...
The fuel consumption is an equivalent measure for cars sold outside the United States, typically measured in litres per 100 km traveled; in general, the fuel consumption and miles per gallon would be reciprocals with appropriate conversion factors, but because different countries use different driving cycles to measure fuel consumption, fuel ...
In North America, the Nissan Leaf falls under the classification of a compact car, [55] [56] [57] while in the UK, it is categorised as a small family car or a C-segment car. [58] [59] [60] The Leaf's boot/trunk space is rated at 24 cu ft (679.6 L) with rear seats up and 30 cu ft (849.5 L) with rear seats down. [61]
The sources for these figures are in the correspondent section for each vehicle, in the following article. The conversions amongst different types of units, are well known in the art. For the conversion amongst units of energy in the following table, 1 litre of petrol amounts to 34.2 MJ, 1 kWh amounts to 3.6 MJ and 1 kilocalorie amounts to 4184 J.
A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb). Examples of high power-to-weight ratios can often be found in turbines. This is because of their ability to operate at very high speeds.
Dry weight is the weight of a vehicle without any consumables, passengers, or cargo. It is significantly less than the weight of a vehicle in a drivable condition and therefore rarely used. Quoting a dry weight can make a car's weight and power-to-weight figures appear far more favorable than those of rival cars using curb weight. [4] [5]
Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).