Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.


Filter this topic showing only the reply marked as answer View this topic in a long page with up to 500 replies per page Create new topic
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
9812 posts

Uber Geek
+1 received by user: 2983

Trusted
Subscriber

  Reply # 1843690 10-Aug-2017 17:35
Send private message quote this post

Even a Prius has regen braking. There is no physical connection between you and the braking system - the pedal is effectively a switch I think. The computer will decide how much 'normal' braking you need depending on your pedal input. To maximise benefit from the system, you should stop accelerating and coast to the line at junctions etc for as long as you can, as that period puts energy back in the battery. If you wang up to the line and just stand on the brakes, you'll get next to no benefit from regen braking systems.








569 posts

Ultimate Geek
+1 received by user: 56


  Reply # 1845123 11-Aug-2017 12:39
Send private message quote this post

MarkH67:

 

 

 

Obviously I'm taking the small risk because I'm wanting to jump in with a zero emissions vehicle.  For me it is worthwhile financially due to the significant savings on running cost.  I have had a desire for many years now to stop the continual burning of fossil fuels.  The more coal and oil we extract and burn the worse off our planet is - seriously not good!  The more rapid the transition to EVs the better in my opinion.  I also want to see 'clean green NZ' transitioning the 20% non-renewable electricity generation to renewable generation - hydro, geothermal, wind, solar or tidal generation is all fine, anything that doesn't involve burning coal, oil or gas.  It would also be nice if other countries replace their coal fired power plants with something that doesn't pour huge amounts of CO2 into our atmosphere, we share that same atmosphere and will share on the same negative effects from climate change.

 

This is the best planet in the universe, it is the only one with WiFi!  We really should look after the only home we have.

 

 

Good post. Perhaps someone can update me on when NZ intends to withdraw its coal burning electricity generators? The extract from this 2015 article suggested that it may be by December 2018, but is this still the current thinking?

 

Genesis Energy has announced that its last two coal-burning electricity generators at the Huntly Power Station will be permanently withdrawn from the market by December 2018, signalling the end of large scale coal-fired generation, and associated carbon emissions, in New Zealand.

 

The closure will knock five per cent off the total CO2 emissions of New Zealand.

 

It will move the New Zealand electricity generation sector closer to its 90% renewable target.

 

http://www.nzherald.co.nz/element-magazine/news/article.cfm?c_id=1503340&objectid=11492913

 

Wow, 5% of NZ's total emissions could be knocked off just by closing down these coal burning generators.

 

It seems to me that NZ's total emissions will drop only if Government policy gets right in behind the efforts of individuals to do this! For example, when are going to ban the import of petrol vehicles?


 
 
 
 


911 posts

Ultimate Geek
+1 received by user: 319

Subscriber

  Reply # 1845131 11-Aug-2017 12:50
Send private message quote this post

Do they close it or just switch to gas only?



569 posts

Ultimate Geek
+1 received by user: 56


  Reply # 1845134 11-Aug-2017 12:55
Send private message quote this post

kryptonjohn: Do they close it or just switch to gas only?

 

Good question, but should we feel "guilty" when we fire up our natural gas heating at home, I don't think this is free of emissions?


911 posts

Ultimate Geek
+1 received by user: 319

Subscriber

  Reply # 1845143 11-Aug-2017 13:08
Send private message quote this post

No but gas is way way better than coal. This is how the USA has reduced its emissions over the last decade, a big switch to new, abundant gas from shale and fracking.

So don't feel bad about using gas, it's relatively clean!

Onward
11290 posts

Uber Geek
+1 received by user: 5014

Trusted
Subscriber

  Reply # 1845147 11-Aug-2017 13:11
Send private message quote this post

Gas has lower emissions but it's not sustainable. We are better off developing clean sustainable energy.





Mike
Retired IT Manager. 
The views stated in my posts are my personal views and not that of any other organisation.

 

 It's our only home, lets clean it up then...

 

Take My Advice, Pull Down Your Pants And Slide On The Ice!

 

 


40 posts

Geek
+1 received by user: 5


  Reply # 1845155 11-Aug-2017 13:24
2 people support this post
Send private message quote this post

We are certified tree-hugging hippies - we live off grid with solar and microhydro. Unlike many people generating our own power, we downsized our power usage first - 6-star fridge and 5.5-star freezer, very few appliances (coffee grinder and laptops! :-)

 

We've just upgraded to a more fuel efficient vehicle and switched to 95 fuel (greater efficiency means about 3.5% less fuel used compared to 91) - nitrogen in tyres to maintain best efficiency. Our next vehicle will probably be electric, but we'd need to upgrade our power system first.

 

We're getting rid of our pine resources and planting more suitable firewood trees for coppicing. Pine makes absolutely lousy firewood as it is very slow-drying compared to most firewood species. The NZ guidebook to firewood forestry discounts pine completely. Most of the split pine you buy from firewood yards has been kiln-dried (by burning waste oil or gas!)

 

Minimising food miles by growing what we can and swapping at the local village (we're at altitude, most people there aren't).

 

We're planning a straw-bale house that we aim will be so thermally efficient it basically won't need space heating.


1287 posts

Uber Geek
+1 received by user: 628


  Reply # 1845165 11-Aug-2017 13:31
Send private message quote this post

frednz:

 

It seems to me that NZ's total emissions will drop only if Government policy gets right in behind the efforts of individuals to do this! For example, when are going to ban the import of petrol vehicles?

 

 

For many reasons which have been reiterated many times in this and other posts, the exclusion of ICE vehicles from NZ is not practical now (or for quite a few years) without imposing severe constraints on NZers' lifestyle.  I would suggest such a ban would be good for a party that is tired of being in government


9798 posts

Uber Geek
+1 received by user: 1518

Trusted

  Reply # 1845169 11-Aug-2017 13:36
Send private message quote this post

frednz:

 

MarkH67:

 

 

 

Obviously I'm taking the small risk because I'm wanting to jump in with a zero emissions vehicle.  For me it is worthwhile financially due to the significant savings on running cost.  I have had a desire for many years now to stop the continual burning of fossil fuels.  The more coal and oil we extract and burn the worse off our planet is - seriously not good!  The more rapid the transition to EVs the better in my opinion.  I also want to see 'clean green NZ' transitioning the 20% non-renewable electricity generation to renewable generation - hydro, geothermal, wind, solar or tidal generation is all fine, anything that doesn't involve burning coal, oil or gas.  It would also be nice if other countries replace their coal fired power plants with something that doesn't pour huge amounts of CO2 into our atmosphere, we share that same atmosphere and will share on the same negative effects from climate change.

 

This is the best planet in the universe, it is the only one with WiFi!  We really should look after the only home we have.

 

 

Good post. Perhaps someone can update me on when NZ intends to withdraw its coal burning electricity generators? The extract from this 2015 article suggested that it may be by December 2018, but is this still the current thinking?

 

Genesis Energy has announced that its last two coal-burning electricity generators at the Huntly Power Station will be permanently withdrawn from the market by December 2018, signalling the end of large scale coal-fired generation, and associated carbon emissions, in New Zealand.

 

The closure will knock five per cent off the total CO2 emissions of New Zealand.

 

It will move the New Zealand electricity generation sector closer to its 90% renewable target.

 

http://www.nzherald.co.nz/element-magazine/news/article.cfm?c_id=1503340&objectid=11492913

 

Wow, 5% of NZ's total emissions could be knocked off just by closing down these coal burning generators.

 

It seems to me that NZ's total emissions will drop only if Government policy gets right in behind the efforts of individuals to do this! For example, when are going to ban the import of petrol vehicles?

 

 

The article said it all, the Govt isn't doing it, private industry is increasing our renewables. We are 80%, Govt says we will be 100% by 2050, 33 years, a third of a century. Genesis will do half that next year.


911 posts

Ultimate Geek
+1 received by user: 319

Subscriber

  Reply # 1845176 11-Aug-2017 13:46
2 people support this post
Send private message quote this post

MikeB4:

 

Gas has lower emissions but it's not sustainable. 

 

 

Doesn't matter.

 

MikeB4:

 

We are better off developing clean sustainable energy.

 

 

Great, looking forward to it. But best use gas at the moment if that's the most efficient method. 


9798 posts

Uber Geek
+1 received by user: 1518

Trusted

  Reply # 1845204 11-Aug-2017 14:11
Send private message quote this post

kryptonjohn:

 

MikeB4:

 

Gas has lower emissions but it's not sustainable. 

 

 

Doesn't matter.

 

MikeB4:

 

We are better off developing clean sustainable energy.

 

 

Great, looking forward to it. But best use gas at the moment if that's the most efficient method. 

 

 

If we can use gas instead of fossil fuels, any effort is a good one. I assume Genesis cannot convert the plants to run on gas?


911 posts

Ultimate Geek
+1 received by user: 319

Subscriber

  Reply # 1845208 11-Aug-2017 14:16
Send private message quote this post

Huntly always ran on either gas or coal. 

 

 


5720 posts

Uber Geek
+1 received by user: 2611

Subscriber

  Reply # 1845295 11-Aug-2017 16:52
One person supports this post
Send private message quote this post

tdgeek:

 

If we can use gas instead of fossil fuels, any effort is a good one. I assume Genesis cannot convert the plants to run on gas?

 

 

Gas is a fossil fuel. It's just a different one.

 

 





I reject your reality and substitute my own. - Adam Savage
 


9798 posts

Uber Geek
+1 received by user: 1518

Trusted

  Reply # 1845298 11-Aug-2017 17:01
Send private message quote this post

Rikkitic:

 

tdgeek:

 

If we can use gas instead of fossil fuels, any effort is a good one. I assume Genesis cannot convert the plants to run on gas?

 

 

Gas is a fossil fuel. It's just a different one.

 

 

 

 

Yes. As stated above its cleaner, and while we maintain FF power generation, it would help to use gas instead to lessen emissions. Genesis, who I just left, are going ti shut down a plant end of 2018, which will increase renewables by up to 10%, thats great. The govt says that last 20% will take another 33 years. We are at 80 now




569 posts

Ultimate Geek
+1 received by user: 56


  Reply # 1845347 11-Aug-2017 19:41
Send private message quote this post

tdgeek:

 

Rikkitic:

 

tdgeek:

 

If we can use gas instead of fossil fuels, any effort is a good one. I assume Genesis cannot convert the plants to run on gas?

 

 

Gas is a fossil fuel. It's just a different one.

 

 

 

 

Yes. As stated above its cleaner, and while we maintain FF power generation, it would help to use gas instead to lessen emissions. Genesis, who I just left, are going ti shut down a plant end of 2018, which will increase renewables by up to 10%, thats great. The govt says that last 20% will take another 33 years. We are at 80 now

 

 

In this article it says there are additional climate risks associated with natural gas which can erode the benefits of replacing coal with natural gas:

 

Compared to coal, natural gas produces approximately half of the carbon emissions per unit of electricity generated. But natural gas is expected to replace not just declining coal power in the future, but also a significant portion of low-carbon nuclear power.

 

However, ... Methane – a primary component of natural gas – leaks from drilling sites and pipelines. It is 34 times more potent than carbon dioxide at trapping heat. An estimated one to nine percent of all natural gas produced escapes into the atmosphere, equivalent to the global warming emissions from 35 – 314 typical-sized coal power plants (600 megawatts). This methane leakage poses additional climate risks and erodes the climate benefits of replacing coal with natural gas.

 

 


1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
Filter this topic showing only the reply marked as answer View this topic in a long page with up to 500 replies per page Create new topic



Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





News »

Vocus New Zealand on the block as Aussies bail
Posted 23-Oct-2017 17:06


Vodafone TV — television in the cloud
Posted 17-Oct-2017 19:29


Nokia 8 review: Classy midrange pure Android phone
Posted 16-Oct-2017 07:27


Why carriers might want to embrace Commerce Commission study, MVNOs
Posted 13-Oct-2017 09:42


Fitbit launches Ionic, its health and fitness smartwatch
Posted 12-Oct-2017 15:52


Xero launches machine learning automation to improve coding accuracy for small businesses
Posted 12-Oct-2017 15:45


Bank of New Zealand uses Intel AI to detect financial crime
Posted 12-Oct-2017 15:39


Sony launches Xperia XZ1, a smartphone with real-time 3D capture
Posted 11-Oct-2017 10:26


Notes on Nokia’s phone comeback
Posted 10-Oct-2017 10:06


Air New Zealand begins Inflight Wi-Fi rollout
Posted 9-Oct-2017 20:16


The latest mobile phones in perspective
Posted 9-Oct-2017 18:34


Review: Acronis True Image 2018 — serious backup
Posted 8-Oct-2017 11:22


Lenovo launches ThinkPad Anniversary Edition 25
Posted 7-Oct-2017 23:16


Less fone, more tech as Vodafone gets brand make-over
Posted 6-Oct-2017 08:16


API Talent Achieves AWS MSP Partner Status
Posted 5-Oct-2017 21:20



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.