If you want to attack urbanair quality, this is probably moving in the wrong direction.
如果你想要打击城市空气质量，这可能是一个错误的方向。
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Vehicles incorporating only the simplest of the engine improvements that methanol makes feasible would still contribute to an immediate lessening of urbanair pollution.
仅采用甲醇所能实现的最简单的发动机改进措施的车辆，仍将有助于立即减少城市空气污染。
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UrbanAir Pollutants Can Damage IQs Before Baby's First Breath