Many automakers have attempted to gain the upper class in the manufacture of high-end, luxury cars and electric hybrids. One of the criticisms was that these customers and hybrid-electric vehicles do not have all the luxury features they wanted. The greatest room for improvement in the luxury automotive and electrical power is the power-dough-mileage of these cars. Nobody wants to sacrifice high-performance battery charge less. Currently, people are willing to pay high prices, about 80-90 for a large high-performance, with an average of about 50 mpg hybrid-electric vehicle, which is able to achieve speeds of up to 150kph is. Hybrid and electric cars have recently gained some momentum in the automotive and manufacturing process, but we are still where they are willing to make the switch is complete.
Electrical performance of a luxury car should be high, but also with a high price. Technological progress, perhaps the price of these luxury vehicles will come down and performance will be cheaper. If the battery is low, the gasoline engine takes over and uses two electric motors power the car in the rear wheels. If downhill, the effect of recuperation is similar to motor brake.
There is still much room for improvement in electric and hybrid technology. It will save gas money, in the meantime, while you reach the other hybrid / electric, without interfering with each decade committed.