Thirty years is a long time. Think about how different the economy was in, say, 1930 compared to 1900. Or 1840 to 1870. How much fossil fuel infrastructure last

Thirty years is a long time. Think about how different the economy was in, say, 1930 compared to 1900. Or 1840 to 1870. How much fossil fuel infrastructure lasts for thirty years? We could almost do it by just using the natural replacement cycle.