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From: liz@poppyrecords.invalid.invalid (Liz Tuddenham)
Newsgroups: sci.electronics.design
Subject: Re: Copper can't be mined fast enough to electrify the US
Date: Fri, 17 May 2024 21:46:52 +0100
Organization: Poppy Records
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John Larkin <jjSNIPlarkin@highNONOlandtechnology.com> wrote:

> On Fri, 17 May 2024 19:58:01 +0100, liz@poppyrecords.invalid.invalid
> (Liz Tuddenham) wrote:
> 
> >John Larkin <jjSNIPlarkin@highNONOlandtechnology.com> wrote:
> >
> >[...] 
> >> Car power, worst to best, roughly:
> >> 
> >> Rubber bands.
> >> Springs.
> >> Animals (humans included)
> >> Sails.
> >> Compressed gas.
> >> Steam engines.
> >> Solar cells.
> >> Batteries.
> >> Electric trolleys.
> >> Cable cars.
> >> Funiculars.
> >> Fuel cells.
> >> Gasoline turbines.
> >> Coal dust turbines.
> >> Hydrogen turbines.
> >> Gasoline piston engines.
> >> 
> >> Did I miss any?
> >
> >Diesel piston engines - far more fuel-efficient.
> 
> I see very few diesel cars here in California. Lots of Teslas.
> 
> Diesel peaked above the price of gasoline a few years ago, but it's
> down below regular gas now.

That's probably due to market forces and taxes, the diesel engine is
still the most efficient because it has the highest compression ratio.


-- 
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk