The EIA predicts future US oil and NGL liquids production will depend on the economic and price scenario, and the forecast scenarios differ sharply. The low oil price and demand scenarios show a significant, roughly linear decline after about 2020. The more optimistic high price scenarios show dramatic growth in the short run, with high oil prices lowering production (I presume via lowered demand) by roughly 20% from the peak by 2050.
See page 53 of the EIA Annual Energy Outlook 2019 (link below).
https://www.eia.gov/outlooks/aeo/pdf/aeo2019.pdfThe EIA predicts solid US Natural Gas production growth in all but the most bearish reference case. The most bearish case is roughly flat, declining by roughly 5% by 2050.
See page 71 of the EIA Annual Energy Outlook 2019 (link above).
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Natural Gas relative production looks optimistic relative to oil, even though all the price reference cases show increasing Natural Gas prices from a few years out to 2050. Worst case is more than tripling retail natural gas prices by 2050.
See page 73 of the EIA Annual Energy Outlook 2019 (link above).
Worst case retail gasoline price projections to be roughly doubling by 2050, and worst case retail diesel prices somewhat more than double.
See page 67 of the EIA Annual Energy Outlook 2019 (link above).
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Presumably these folks have a better handle on things than the average layman speculator, especially given the relative track records over time. I certainly don't see anything implying we'll be "running out" any time soon.
And surely by 2050, if not 2030, if you don't like buying lots of gasoline and diesel for your car, BEV's are likely to be very much "a thing". At what relative total cost to operate remains to be seen, of course.
Given the track record of the perma-doomer blogs, I wouldn't bet a fast crash doomer's money on their predictions.