There might be multiple factors: how much you pollute to produce them (much less...

		simonebrunozzi on July 18, 2015 \| parent \| context \| favorite \| on: Airless Tires Roll Towards Consumer Vehicles There might be multiple factors: how much you pollute to produce them (much less, considering that there is almost no metal involved, unlike with traditional tires which have alloy wheels); how much they get consumed by usage, compared to traditional tires; how much they pollute to dispose of them.