Fnaar
Smutmaster General
- Location
- Thumberland
I think the world would be a better place if we all travelled around on spacehoppers.
Are Diesels "Green"?
- Thread starter BSRU
- Start date
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threebikesmcginty
Corn Fed Hick...
- Location
- ...on the slake
Good idea. Also you could create more of a community spirit if you randomly invite 6 strangers for a game of Twister.
snailracer
Über Member
Hydrogen is also a greenhouse gas, what about all the leaks if this hydrogen economy actually takes off?
snailracer
Über Member
IOW, if the cars only do short journeys, they don't meet emissions targets.
However, the cars still do those short journeys, they just throw out clouds of soot while the driver thinks, "I don't care if everyone else dies of cancer, so long as I save a few pence per mile."
Apparently these filters require the car to be driven at speeds over 50mph for about 30 minutes at least once a week in order to recharge/clean the filter. It's a little like the movie "Speed", without the bomb, the car must maintain a speed of over 50 mph for 30 minutes, no stopping or slowing down otherwise you have to start the recharging/cleaning process all over again.
Night Train
Maker of Things
- Location
- Greater Manchester
Piezo electric space hoppers!
That would solve the energy issue, charge as you hop!
The only real solution to the energy issue, 'green', fossil, renewable, or otherwise is to just use less of it. We used to and we still can, if we wanted to.
Think of how much energy it takes to keep the internet running just for our little bits of chatter here. If we all left CC it would save a bit.
Back to hydrogen, one way to transport it would be to float bags of the stuff in the air. It would be so bouyant that it could be used to transport other goods and people at the same time. Two for the price of one.
U
User482
Guest
That's why we should be cycling more on old steel bikes rather then buying new ones made with exotic materials.
My carbon fibre bike was bought second hand. So that's ok...
david1701
Well-Known Member
- Location
- Bude, Cornwall
how? its so reactive it will have combusted of its own accord well before it does any warming
U
User482
Guest
how? its so reactive it will have combusted of its own accord well before it does any warming
Or formed water vapour. Which is a powerful greenhouse gas...
threebikesmcginty
Corn Fed Hick...
- Location
- ...on the slake
My carbon fibre bike was bought second hand. So that's ok...
NT was probably referring to titanium or bamboo rather than plastic.
U
User482
Guest
NT was probably referring to titanium or bamboo rather than plastic.
Bamboo's a sustainable material: low carbon, strong and fast-growing.
Fnaar
Smutmaster General
- Location
- Thumberland
My car is a diesel, but it's a kind of silver colour, rather than being green.
Night Train
Maker of Things
- Location
- Greater Manchester
NT was probably referring to titanium or bamboo rather than plastic.
Well, an old steel bike has already been made once and if it is sent to the scrap metal yard it then needs to be replaced by a newly made bike. It is all about embodied energy.
Takes a lot of energy to grow a bit of bamboo, where as you can get plastic from China.
I'll stick to my old steel bikes, repaired with scrap and stuff found in bins. Pound for £ you get a lot more bike for your money!
XmisterIS
Purveyor of fine nonsense
Although presumably that only applies to water vapour created in the upper atmosphere (i.e. the leaked stuff - which one would hope would be a small fraction of the total), whereas the stuff burned at ground level will just condense out again at ground level, I assume. For example if the car had a condenser and a container, then the condensed water could be collected in a container for some other household use, rather than making the road wet all the time. It could be used as drinking water because it would be pure H2O.
And why haven't we done this yet ... e.g. research into more efficient solar panels as was mentioned above ... I suppose it could be (a) we're doing all we can, but the technology is very difficult to make, or (b) heavy-handed bully-boy tactics by the oil industry to suppress research or (c] lack of political will.
I hope it's points b and c because they can be overcome, whereas point a is a little more difficult.
Cletus Van Damme
Previously known as Cheesney Hawks
- Location
- Out in the sticks...
I have a diesel car and thankfully it is an older one without a diesel particulate filter fitted. It is used for quite a lot of short journeys. I work with a colleague whom used to have a Mazda diesel fitted with a DPF and it was always causing grief going into limp home mode, going into the main stealer etc. I probably pay a bit more road tax but I can live with that as modern high pressure common rail diesels can be troublesome enough without some other device that requires attention if the car is not used correctly (I wonder how many car salesmen mention this when selling them). I am just really surprised that newer technology is not as widely spread as it could be, as internal combustion engines waste a lot of energy through the heat produced ingniting the fuel. Then again it is possibly not in the car manufacturers/oil companies interests to do so.
