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mahonj
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a; Imagine if you had a speed limit in mpg rather than mph! (It would have to be implemented by the manufacturer.) OK, it is not at all practical. Instead of saying, I got stuck behind a granny in a Nissan Micra, you would say, I got stuck behind some oik in a Dodge Ram. Anyway, nice to see someone running the numbers and suggesting you fix the most productive targets, rather than the easiest or most visible. The same applies to reducing pollution in cities, find the worst offenders and concentrate on them. Don't bother converting gasoline cars to electric, get rid of ancient diesel buses and trucks (if necessary with newer diesel trucks), but just get rid of the really bad ones.
I would rather know the performance (mpg mph gms CO2) than the size of the infotainment screen. I suppose it is too soon for than - won't know till they are ready for market.
@EP, would you be better off with a diesel PHEV in that case ? [ If one existed ]
For the record, a typical 3 wheeler engine is 150 - 200 cc, 5-6Kw power output for a petrol engine, 440 cc, 5.5Kw for a diesel.
So we should switch to LNG trucks equipped with the TWC catalysts. This probably applies to all urban delivery trucks. If it is 5-10x better than diesel, it seems like a no brainer.
Would it be better to grow trees or some plant matter and use that as one of the feedstuffs? Or just make Ethanol or butanol? As I said in a previous post, taking CO2 out of the air is a loser's game, growing plant matter would be a better bet. Maybe build huge grow houses near power stations and pump in the excess Co2 from there to grow the stuff faster.
It strikes me that if you want to take CO2 out of the air, the best way to approach it is where it is most concentrated, i.e. power station flue exhausts. Otherwise, it is just greenwashing, usually using other people's money. The best way of all, would be to stop burning fossil fuels, especially coal, wherever possible. This might mean replacing coal plants with renewables and CC natural gas plants that can be started up and shut down fairly quickly. Nuclear sounds good, but costs too much at present. I would certainly keep all the nukes that I already have going. I would use batteries for load shaping so you can switch from renewables to nat gas without glitches. If batteries get really cheap, you might be able to use them for overnight storage of solar. You'll never get through a European winter on renewables. You'll have to keep a fair measure of dispatchable power around for long dark still nights, even if you don't use it very much in summer. Next, you need a pricing mechanism that allows that to happen.
I have mixed views on this sort of thing (for motorbikes, bikes and pedestrians). If you give people the option of getting these warning devices, then the motorists start to depend on them and are less likely to see other bikes that do not have them. Similarly, older cars won't have receivers to pick them up, so bikers, expecting cars to know where they are, might be in for a surprise. So it is a problem of getting from here to there. "A considerable proportion of the drivers involved in an accident with a motorcycle claimed that they did not even see the motorcycle approaching." I can agree with this, motorists just do not see bikes of any kind, they are just tuned out and not looking for them. Flashing lights on bikes can help here - it really annoys me to see cyclists out at night without lights. Lights are small and inexpensive and the batteries last for ages, it is not like the '90s when you had D cell bicycle lamps.
What is interesting is how little electrification reduces CO2. At least they are telling the truth, generating electricity for BEVs generates CO2, and quite a bit if you are making it from coal. The solution would be to make "smart" charging systems where cars can charge when there is a lot of renewables on the grid. This would require them to be plugged in most of the time (i.e. in places of work, and parked at night), but this should not be impossible. You would not want more than 8Kw charging, and 3Kw would probably do it (if it is plugged in all day). A 100 mile EV, which might be used 30 miles / day has the advantage that it does not need to be charged every day, so you could skip a day or two while waiting for wind or sun, if you had a smart charger with weather forecasting, and IF you trusted it.
@Juan, they aren't really comparing apples with apples. The 4 2.5 cylinder with mild hybrid is 19% better than the 6 cylinder 3.5 in town. As long as people are happy to move to a 4 cylinder, we have a deal, otherwise, we have two separate things. Nonetheless, 19% is not to be sneezed at and to be welcomed. I wonder how far they could push it at 48V. What would happen if they had a 1KwH battery rather than a 0.45kwH one. IMO, the more distance you can do electric in towns, the better. You could even place a small solar panel on the roof to trickle charge it. (A 120 W panel could almost charge a 1KwH battery during daylight hours if placed in the sun.)
I am sure it is fabulous, but Europe needs 2.0, 1.5 and 1.0 diesels more than 3L. Hopefully, we'll see these soon. Could you use one side of it as a 3 cylinder 1.5 ? Also, why not have the 48V mild hybrid on the 2.0 4 cylinder? Presumably it would give better performance than the 12V, even at slightly higher cost.
It looks like we could end up with a lot of H2 - there seems to be a blizzard of claims like this. Now we have to find something useful to do with it. Cracking hydrocarbons to get more H2 into shorter chains ? What is the best way to use or store and transport it? [ Methanol ?]
More mild hybrids - bring them on. The "silent coasting" function sounds like a good idea. What you want it the ability to program it for hypermileing so that it brings the speed up to say 70 mph and lets it coast down to 65 and then turns on again etc. It would only do this if there was noone behind it .... Or do they use the electric motor to sustain the coasting function ?
In Dublin you see lines of cars, about 50-70% diesel stopped in traffic with their engines running. It would be very nice if these did not run their engines while stopped. It would be even nicer if they could run on electric up to 30 mph, but that would be another story.
Sounds good, I am all for hybridisation as long as it is affordable - and the more techniques, the merrier. It sounds more like a PHEV (or a FHEV) [Fuel, HEV] - can it do regenerative braking, or do they just use the n2 for acceleration ?
It looks like this will be hard to achieve in practice. There seems to be a lot of activity on water splitting - we could be up to our chins in H2 if we are not careful - because then you have to find a way to transport and store it, which isn't easy either.
I would also make it easy to own an EV as well as an ICE, so you don't get slammed with tax or insurance by having two cars. You could use the ICE when the weather is bad, and the EV in warmer times or cities. You could make it easier to ride share, and get paid for it, without upsetting taxi owners. You would be allowed specify your commute route as a ride share route (but no others). Thus, you could pick up people on drives you would do anyway, but wouldn't be tempted to go and look for work like a taxi. [ Both of these are administrative, rather than technical solutions, so should be easy enough to implement. ]
I am assuming this is a good thing, so well done lads. When can we expect to see products using this technology? [ I always felt my own alloys were a bit on the low-entropy side].
Electrification in whatever shade would seem like the best thing to me. They have a lot of hydro, so going to a pure BEV approach would work well, as would any type of hybridisation. In the rural areas, the distances might be too large for pure EV, so hybrids might be a better bet.
"as the global middle class continues to grow". The global middle class will hopefully grow, but they won't be able to afford EVs for some time, so I would expect them to use mainly ICE cars for the next 10-20 years. [ I'd like to be proved wrong ] Maybe when all the battery factories come on stream we'll be up to our chins in LiIon batteries and the cost of EVs will dramatically fall. Then, you need a way to charge them from grids which may not have that much margin. Maybe they'll put in loads of solar and charge them during the day. All you need for that is a lot of charging stations at workplaces and shopping malls. [ Not impossible by any means ]
Q: how abundant is yttrium? A: (Wiki) About 31 ppm of the Earth's crust is yttrium,[7] making it the 28th most abundant element, 400 times more common than silver. So the Yttrium is not a choke point. We might have something here ...
I'd like to see the 48V system as an option on all petrol and diesel engine variants. Preferably, it would not be too expensive.
"Written" by Bosch, and "Enabled" by Fiat / VW .... tut tut. What annoys me is that 95% of the damage was done in Europe, (where most people drive (or used to drive) diesel) while most of the money went to the USA. Something of a shakedown IMO.
This is seriously hi-tech. I bet the military boys are going crazy for it. I wonder how much it could be made for in 100,000 off?
I only see two dark spots on the horizon: Trump and low oil costs. The only way you will get Americans to buy low mpg cars is to force them with federal standards, and Trump could cancel that (or try to). There are plenty of ways to reduce the fuel consumption of cars: hybridisation (to whatever degree), lightweighting, better aerodynamics and lower rolling resistance tires, etc, so technically, it can be done; but with low fuel costs, there is less economic reason to do it. Hence you need federal standards (and the ones you have now will do fine [IMO] ).