Is Carpooling Good for People and Environment?

Is carpooling good? increase once low cost cars like Tata Nano are
Its very nice to write something about carpooling.introduced to the market. Can we imagine traffic on
This concept is getting popular day by day as it hasroads after 1 year? Apart from increasing road
become need of hour for all of us to share car / vancapacity of handling traffic, we have to start thing
/ Taxi / Auto or any four wheeler journey to meetabout reducing traffic of the roads too.  doing
the rising fuel price, traffic congestions and airefforts in direction of reducing traffic by pooling car
pollution. other travelers.
No doubt , Govt of all countries  is working very Normally vehicle's have fuel efficiency of 10 KM/L. If
hard to fight against traffic problem by  wideninga vehicle runs 20,000 km/year , this means ,  it will
roads and making flyovers but the most importantconsume 2000 L fuel in one year.  Burning 1 L of
two facts which we all need to understand are:- First,petrol emits 2.5 kg of carbon dioxide. Thus the
 there is a limit to widening Roads and makingvehicle will emit about 5000 kg of CO2 in one year.
flyovers and thereafter we cannot widen roads orAn average mature tree can absorb about 4.5-5 kg
make flyovers. Second , there is no limit to increasingcarbon dioxide per year. Thus we need about 1000
vehicles. Delhi is getting roughly 1000 new fourmature trees to absorb the pollution (carbon dioxide)
wheelers on road everyday and this number willemitted by one car.