I need english help?

Sepehr asked: can u summarize this par in 4-5 sentences plz!!
To reduce the amount of environmental damage in cities specifically, developed countries have devised technology to control abundance of vehicles that countries to grow in number, the efficacy of theses measure is diminished. Since cars and other vehicles create more air
pollution than any other human [...]

I need english help?

Sepehr asked: can u summarize this par in 4-5 sentences plz!!
To reduce the amount of environmental damage in cities specifically, developed countries have devised technology to control abundance of vehicles that countries to grow in number, the efficacy of theses measure is diminished. Since cars and other vehicles create more air pollution than any other [...]