Taking above into account, I believe that taxing the owner of private car is the best way to improve air quality.

考虑上述所说的，我相信对私家车车主人征税是改善空气质量的最佳途径。

youdao

In my view of the point, the best way to improve air quality is to tax the owner of private car.

在我看来，改善空气质量最好的办法是向私家车车主征税。

youdao

To tax the owner of private car will make some contribution to cut down gas emission and improve air quality.

向私家车车主征税有利于减少尾气排放，改善空气质量。

youdao