Tag Archives: auto

Peak lithium makes transportation & electricity storage pointless

Preface.  The lithium batteries in cars need electricity to recharge, but the electric grid can’t stay up with just wind and solar, that’s why natural gas is the energy storage today. Nor do pumped hydro or compressed air energy storage … Continue reading

Posted in Automobiles, Battery - Utility Scale, Electrification, Peak Lithium, Recycle, Recycling | Tagged , , , , , , , | 1 Comment

Why is passenger rail so damned inefficient?

[ This is about passenger rail, not freight rail, which is incredibly efficient. Freight rail is efficient because to reduce aerodynamic drag and diesel fuel use (USDOT 2008), they travel on average  only 23 miles per hour (to reduce aerodynamic … Continue reading

Posted in Mass Transit, Railroads, Transportation | Tagged , , , , | 4 Comments

Most energy efficient: passenger bus, rail, or auto?

Preface. Weight reduces energy efficiency, so one way to make transportation more efficient is to light-weight rail cars, buses, trucks, and cars. For every 10% reduction in weight, up to 7.6% more fuel efficiency can be gained (Joost 2012). While … Continue reading

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