用英语翻译一篇作文.连贯,通顺.

Transportation is in our daily life is indispensable, energy saving and polluting the environment of new vehicles is the future development direction of transport, energy saving and environmental pollution is our energy conservation benefit for posterity。 Let them have the energy to use。 We do not pollute the environment is a responsibility of nature。 Don't let us see the sun in the offspring, eat clean water, this is our responsibility /, so future vehicles must environmental protection, but I hope the future transportation is like a bird can fly, fly, want when what is what want to fly, when go away, not what traffic jam, need not pay。