On Sat, 30 Mar 2013 12:41:52 -0400, "Existential Angst"
JESUS! Will you guys knock it off? A Volt is NOT a
"gas-generator-traction-motor" design. Those locomotives are NOT
plug-ins. They use that configuration because it's proven to be a
better way to couple an IC engine to the very different operating
conditions of a railroad locomotives. There have been a few
straight-diesel locomotives, in the US and in the UK. They were
failures because of inflexibility in diesels of those sizes, and
because of the enormous difficulty of coupling them to the wheels
through a mechanical transmission.
The Volt is a plug-in serial hybrid with some parallel-hybrid features
-- 'way complicated, but because of limitations in current technology,
not because GM's engineers like to pretend they're Mercedes-Benz
engineers, using three parts when two parts will do. <g>
Like all of the various hybrids so far, it's a glimpse into the
future. There are some owners for whom it makes reasonable sense. Like
all EVs of all types, it makes no economic sense for most of us. But
it's a step in a direction that will make sense for more people, in
more circumstances, as the concept is tested in the field and refined.
But neither does a Cadillac or Porsche SUV make any sense. Or any
Cadillac or Porsche, for that matter. Sports Car Graphic ran a spoof
many decades ago, in which they showed a MG-TD pickup truck and a
Ferrari GTO halftrack. Little did they suspect that Porsche would
build a half-assed truck for yuppies some day. I'm waiting for a
Maserati RV or an Aston Martin dump truck next...
So all electric vehicles are interim steps, which appeal to people who
like the concept and like to try new ideas. Assuming that we may have
cheap electricity from alternative sources some day, they're one way
to deal with the distribution problem. Right now, the efficiencies
don't work out. But they may well do so.
Anyone who thinks that hydrogen fuel cells are a better prospect isn't
paying much attention. Almost all hydrogen now is produced from
reformed natural gas. Talk about hack jobs! And the prices, and
failures due to contamination...Jesus. There isn't a significant
pipeline in America that will carry hydrogen without being completely
rebuilt. Good luck with that.
As for the likelihood that we'll be able to use alternative electric
sources, versus other sources of liquid fuels in IC, consider that all
of the liquid fuel promises have failed. Every one. Not that we don't
have some cellulosic ethanol in the pipeline some day, or something
derived from another source, but, so far, those options don't look any
better than EVs. And natural gas IC -- well, if you don't want to go
very far and if you don't need a trunk. Like EVs, they make sense for
some people.
The Li-ion battery is the biggest problem. There is some promise for
aluminum-air and some of the nano-structure carbon batteries, but
they're in the lab, along with algae-derived liquid fuels and
controlled nuclear fusion. In fact, they're ahead of fusion.
Somebody has to take the first step, in every technology. Sometimes it
works, and sometimes it doesn't. Gunner was wondering why the Doble
steam car isn't around today. It worked great -- very reliable and set
all kinds of records. But it cost 40 times as much as a Ford and much
more than a Duesenberg or Rolls Royce. Nice try, Doble. It ain't for
us peons.
The Volt is highly subsidized and the economics of operating it are
all skewed out of shape. That's what we do with new technologies in a
lot of cases. That's what it takes. It doesn't bother me at all.
Without it, we wouldn't have jet planes, rural electrification, or
hydroelectric power. None of them made any economic sense at first.
Some of them still don't. The market isn't up to the job.
I haven't followed all of your arguments, but you're arguing over
engineering details that are largely cutting-edge stuff that is hardly
known. You won't need the parallel-hybrid complications when there's a
cost-effective battery or battery/capacitor system that will handle
the necessary discharge rates. You won't have cost efficiency until
the capacity is large enough to run on electricity almost all the
time, and the IC engine size can be further reduced. These are
engineering projects that are being developed as we speak.
Meantime, we have the Volt -- the first effort by any manufacturer to
make a serious plug-in serial hybrid that almost makes it, and that
seems to work out for quite a few users.
What is there to argue about? Do you think you have the engineering
problems worked out better than GM? Or do you think we should all just
forget it, and stick with what we have? The Model T was pretty good at
getting us around. Maybe we should have stuck with it, eh?
--
Ed Huntress