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Topic: Weather, Climate, Environment, and Energy

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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #1848 on: December 11, 2019, 08:26:48 AM »
The GTI will get 40+ mpg on the freeway at 78 mph, which I'm happy with, but they recommend premium for it.  I'm pretty sure it would be fine with regular high quality fuel though.  I've put in midgrade a few times.

It's nice to have a clutch again, for me, even driving in town.  I prefer it.  

MichiFan87

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Re: Weather, Climate, and Environment
« Reply #1849 on: December 11, 2019, 08:45:00 AM »
EVs will outsell non-EVs in the next few years and become the predominant vehicle by 2030 or so. The question is when autonomous technology becomes accepted and inevitably make car ownership obsolete. They're testing them in numerous cities, but there's still a lot that needs to happen on that front.
“When your team is winning, be ready to be tough, because winning can make you soft. On the other hand, when your team is losing, stick by them. Keep believing”
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MrNubbz

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Re: Weather, Climate, and Environment
« Reply #1850 on: December 11, 2019, 08:46:09 AM »
I'm just getting older and don't push them like I used to. Although I did get up to 110 last week, on accident.
How in the hell does that happen?Did a half gallon bottle of single malt Scotch roll off the seat and fall onto the accelerator?
Suburbia:Where they tear out the trees & then name streets after them.

utee94

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Re: Weather, Climate, and Environment
« Reply #1851 on: December 11, 2019, 08:48:04 AM »
Ha!

betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #1852 on: December 11, 2019, 10:03:36 AM »
The dynos of turbo engines often are fascinating (to me) as they show flat torque from roughly 1800 to 4000 RPM.  One can feel the difference in driving engines are similar hp if one is boosted and the other is not but has larger displacement.  And the mpgs may not be much different in the real world, but turbos can "trick" the fuel economy tests.
Agreed. HP is an easy-to-game metric. It's just torque multiplied by RPM, divided by a constant. If you can manipulate the torque curve such that it's peaky at higher RPM, or if you can increase the redline of the engine to allow it to rev higher, you can often get HP numbers that look gaudy but don't really reflect the driving experience. 

Hence you get cars like the old Honda S2000, which put out 240 hp but only if you revved the crap out of it [it had a 9000 rpm redline]. Or 600cc 4cyl sportbikes that make over 100hp, but all that HP occurs in the 12-14K RPM range. 

Those cars/bikes are simply not all that fun to drive/ride in around-town scenarios. They're often quite gutless at low RPM, and thus to feel that power, you have to drive them in ways that don't really make sense in normal traffic [and attract the attention of LEOs]...

Even my Ford Flex puts out 285hp, which doesn't sound paltry [even in a car of its heft], but it's got variable valve timing and you can feel the difference in how it pulls when you hit the RPM that the VVT kicks in. The Ecoboost equivalent puts out 365hp, which doesn't sound like a huge difference than 285, but I'm sure the low-RPM torque is MUCH higher than the non-boosted engine.

I think a lot of people are entranced by pure HP numbers, without realizing that high HP doesn't make the driving experience particularly great unless it's paired with low-end torque as well. 

Cincydawg

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Re: Weather, Climate, and Environment
« Reply #1853 on: December 11, 2019, 10:17:00 AM »
EVs outsell gas cars in Norway today because of incentives.  I doubt that happens in the US by 2030.

Mdot21

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Re: Weather, Climate, and Environment
« Reply #1854 on: December 11, 2019, 11:16:12 AM »
EVs outsell gas cars in Norway today because of incentives.  I doubt that happens in the US by 2030.
Norway is a sweet ass country. One of my favorite places I've ever been to. Oslo is super expensive though. Ridiculous. A taxi from the airport to my hotel which was maybe 1.5 miles away cost me about $65.

Mdot21

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Re: Weather, Climate, and Environment
« Reply #1855 on: December 11, 2019, 11:19:48 AM »
EVs will outsell non-EVs in the next few years and become the predominant vehicle by 2030 or so. The question is when autonomous technology becomes accepted and inevitably make car ownership obsolete. They're testing them in numerous cities, but there's still a lot that needs to happen on that front.
China is going to be the driving force for electrification in cars. That deal Tesla made to build a Gigafactory in China was gigantic for the company. Especially considering it was the first-ever foreign company that was allowed into China without having to set-up a state-backed joint venture & share its technology. That alone should tell you how serious the Chinese are when it comes to the electrification of cars. GM/Ford/Boeing- all the biggest American companies had to set-up JV's and share their technology with China in order to build factories and manufacture in China.

Speaking of autonomous driving- another area where Tesla has a HUGE leg up on the competition- and it ain't close. That self-driving chip they built in-house is the most advanced of it's kind in the world- and ontop of that they have BILLIONS of real-world driving miles of data for use to "teach" their driving computers. Google's "miles" are worthless computer simulations.

847badgerfan

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Re: Weather, Climate, and Environment
« Reply #1856 on: December 11, 2019, 12:31:23 PM »
How in the hell does that happen?Did a half gallon bottle of single malt Scotch roll off the seat and fall onto the accelerator?
Early morning, not many people on the road, and I found myself there without trying. I backed her down to 80 in short order. It felt just the same.
U RAH RAH! WIS CON SIN!

CWSooner

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Re: Weather, Climate, and Environment
« Reply #1857 on: December 11, 2019, 01:12:49 PM »
I guess I'll bring my Boss 302 Mustang along to be a lawn ornament when I go to the Old Folks' Home.
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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #1858 on: December 11, 2019, 02:56:51 PM »
https://electrek.co/2018/10/04/super-cruise-versus-tesla-autopilot/

I generally don't trust Consumer Reports, but this suggests that Caddy's Supercruise is competitive.

https://jalopnik.com/one-of-the-best-parts-of-cadillacs-super-cruise-has-a-h-1833724088

Reasonable people disagree, but for my money, Cadillac’s Super Cruise system is the best semi-autonomous system in the game: better than Tesla’s, better than Volvo’s, better than Nissan’s. But one thing that sets it apart—its system for making sure the driver’s paying attention—apparently doesn’t work great under full sunlight.

I was in a CT6 with this activated but it was on a freeway on SF.  It was impressive, but that wasn't very challenging as an environment.

https://cleantechnica.com/2018/04/29/tesla-autopilot-vs-cadillac-super-cruise-guess-which-wins-video/

Cincydawg

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Re: Weather, Climate, and Environment
« Reply #1859 on: December 11, 2019, 03:06:04 PM »
They gotta get the price of EVs down and the range up and charging times lower to be generally accepted I think, and even when that is reality, a lot of folks won't believe it.

Maybe battery tech will improve faster than I expect.  Maybe not.

Mdot21

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Re: Weather, Climate, and Environment
« Reply #1860 on: December 11, 2019, 04:18:36 PM »
I like to drive but traffic in Florida is so bad. hopefully, I'll start using high-speed rail a lot more often.

Virgin Trains USA high-speed rail station just got approved in downtown Boca Raton. Their station was just approved in Aventura near the Aventura Mall about a month or two ago. Construction on both stations will start early 2020 and the stations will be completed by 2020. Their stations in downtown West Palm Beach, downtown Ft. Lauderdale, and downtown Miami have been operational since 2018.

They are expanding the line from WPB to Orlando airport, that's set to open 2022. They are already negotiating with DisneyWorld and Tampa to build stations there. I haven't taken the train yet, but I'm planning to take it down to Miami this weekend. I've heard only great things about it so far.

Cincydawg

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Re: Weather, Climate, and Environment
« Reply #1861 on: December 11, 2019, 06:19:48 PM »
I think the Florida train should be called "semi-high speed" if you view HSR as something running 200 mph or more.

It might be the optimum between cost and performance relative to the California effort.  If cities are within say 200 miles, 125 mph should be adequate if there is sufficient intracity transport at both ends.  Uber/Lyft might be the solution to the intracity issue.

https://www.railwayage.com/passenger/high-performance/california-hsr-seven-deadly-mistakes/

I've read about some very tentative plans for "MSR" (M- medium) between Atlanta and Charlotte.  One issue is that flying here is so cheap, relatively, it's tough to compete.  I read that France may shut down flight between French cities like Marseilles and Paris and only have the TGV, in part because the TGV loses so much money each year.  The government put in the capital obviously and still can't operate it at break even without even trying to pay it all back.

 

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