What's better; gas powered cars or battery-powered cars?

In the modern world, the interest in electric powered cars grows. However most of the world's population already has CO2 emitting gas powered cars. Will electric powered cars ever be more popular than gas powered cars? Electric vehicles are clean, noiseless, light, however they lack power. Gas vehicles are just about the opposite; dirty, noisy, heavy, although it has good power output. The only obstacle in the way of electric cars moving on is the …

…make a long lasting, cheap, powerful rechargeable-battery that would be very convenient, not only for cars, but also for powering home appliances. Battery technologies have to catch up with existing car technologies. If the world wants to stop being lazy and start to make cars that aren't killing us mentally and physically, then we should get to work on new types of batteries, for that is what's stopping electric cars from becoming the perfect vehicle.