“Around the world, governments and automakers are focused on selling newer, cleaner electric vehicles as a key solution to climate change. Yet it could take years, if not decades, before the technology has a drastic effect on greenhouse gas emissions.
One reason for that? It will take a long time for all the existing gasoline-powered vehicles on the road to reach the end of their life spans.
This “fleet turnover” can be slow, analysts said, because conventional gasoline-powered cars and trucks are becoming more reliable, breaking down less often and lasting longer on the road. The average light-duty vehicle operating in the United States today is 12 years old, according to IHS Markit, an economic forecasting firm. That’s up from 9.6 years old in 2002.”