Any vehicle is a hybrid when it combines two or more sources of power. Hybrid cars run off a rechargeable battery and gasoline.
* Hybrid engines are built smaller to accommodate the 99% of time when not going up hill or accelerating quickly. It uses the battery to provide extra acceleration power when needed.
* When the car is stopped, hybrid gasoline motors can shut off and run off their electric motor and battery.
* Hybrid cars are often lighter and more aerodynamic; tires are often stiffer and inflated higher to reduce drag.
* Hybrid cars often recover braking energy and use it to charge the battery.
Why not in pakistan??
Expensive techie and corporate companies in pakistan believe pocketing profit more and more using the same old tech and stuff as for this they require to invest more ...