Path: local-3.nntp.ord.giganews.com!Xl.tags.giganews.com!local-1.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Fri, 17 May 2024 22:29:52 +0000 From: John Larkin Newsgroups: sci.electronics.design Subject: Re: Copper can't be mined fast enough to electrify the US Date: Fri, 17 May 2024 15:27:57 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: <5vlf4jpk86ggkk46ifi0uq70gilbnvafgb@4ax.com> References: X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 86 X-Trace: sv3-aYl8AKbaYG/H5R9hRabSdbrzAo+XPbzhuzFAfJG53vYP4gY754e0SZfzk1rm6cM7o5Aid7DaiWf/s3F!y9hUNGvff1LorpKq9kKcT8SytxLKvRpFmCr2PCJbrZU8B39vu7n2ucQf7BD1ywJH4SHEmRvGpbww!RrNHQA== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 3736 On Fri, 17 May 2024 17:15:38 -0400, Joe Gwinn wrote: >On Fri, 17 May 2024 09:36:37 -0700, John Larkin > wrote: > >>On Fri, 17 May 2024 05:04:00 GMT, Jan Panteltje >>wrote: >> >>>Copper can't be mined fast enough to electrify the US >>> https://www.sciencedaily.com/releases/2024/05/240515164309.htm >>>Source: >>> University of Michigan >>>Summary: >>> Copper cannot be mined quickly enough to keep up with current U.S. policy guidelines >>> to transition the country's electricity and vehicle infrastructure to renewable energy, >>> according to a new study. >>> >>>OK, alternatives: >>> https://en.wikipedia.org/wiki/Wind-powered_vehicle >>>? >>> >> >>At least it dosn't need air conditioning. >> >>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? > >Vacuum on one side of a tunnel, air on the other side, car in middle. That's Boring! > >Linear electric motor with stator in roadbed and "rotor" in the car. >Often combined with magnetic levitation ion a monorail setup. > >Stretching the definition of Car, big rockets powered by burning >liquid Methane and liquid Oxygen? There have been rocket-powered drag racers. Jets, too. I built a model car that was pusher propeller-driven with a model airplane engine. I think the fuel was mostly alcohol. We also strapped one of those cartrige rocket motors to a model car. > > >>The battery thing may have peaked. Manufacturers are leasing underused >>parking lots and airports to store unsold cars. > >Yes. Hybrids are what will survive, if anything Various friends have >asked me about EVs, and I always warn them away from pure BEVs, >because with a BEV one spends far too much time dealing with keeping >it charged up. (Not to mention dealing with the possibility of >burning the house down.) So far, they have all gone with hybrids. > >Pure BEVs can make sense for local delivery vans; this was the >original use, in the days of Edison. Teslas may have a limited fan base, like Miatas and PT Cruisers and DeLorean and those hideous Honda box things. Fads. The ugly Tesla truck for sure. > >Joe Gwinn