Monthly Archives: April 2015

Biofuels do not scale up enough to power society

Richard, T. August 23, 2010. Challenges in scaling up biofuels infrastructure. Science. (329)   Below are excerpts from this paper.  Look at the impossible scale of biomass required: 150 EJ/year = 15 billion metric tons of plant biomass = 200 billion … Continue reading

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Oil shortages: Transportation needs to go back to high inventories, not just-in-time delivery

Huge amounts of fuel are wasted as trucks arrive half full with just the needed parts at factories and warehouses and return empty. As oil shocks strike, fuel will be less available.  Large inventories will help by cushioning businesses from … Continue reading

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A third of Nuclear Reactors are going to die of old age in the next 10-20 years

70% of reactors are over 25 years old, 23% are over 35 years old, so within 10 to 20 years about a third will have to be decommissioned, far more than the 63 under construction.  Some are bound to fail … Continue reading

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