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Engine pollution and particulates have dropped significantly over the past decade. Much of this is due to tighter tolerances and electronic controls.
by landemva 5y ago
Engine pollution and particulates have dropped significantly over the past decade. Much of this is due to tighter tolerances and electronic controls.
- mellavora 5y agoYes, and on the other hand, there are more cars on the road. Also, let's wave the magic wand and make all cars non-polluting during operation (not even dust from the brake rotors). Where do the natural materials which are used to make the car come from? What about the materials which make the road network that the cars drive on? What about the natural environments which get turned into suburbs because mobility is "easy"? How much of the surface of the earth is co-opted for human-dominated and human-determined?