EU5 andEU6

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TLC

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Now that all new vehicles sold after September have to be EU6 compliant and it effects diesels more than petrol engines how are Land Rover going to make their engines acceptable. All VW and Skoda engines are having an item called AdBlue sprayed into the exhaust system via an extra tank. Peugot and others have something similar. Anybody know how Land Rover are doing it, or are they just going to build new engines.
 
Thor1950 said:
and what is it? Did a search and no answer
Click to expand...


55cb6a8be5f9d9423270f65d7aa069b5.jpg
 
It's not like trucks where you have to keep filling it up every few tanks. The idea is that it's a service item to refill the reservoir.

Personally, I see it as a stopgap measure- I think it's Mazda who have reengineered their engines to emit less nitrous oxides and so meet the regulations without the need for adblue.
 
FlyingPete said:
It's not like trucks where you have to keep filling it up every few tanks. The idea is that it's a service item to refill the reservoir.

Personally, I see it as a stopgap measure- I think it's Mazda who have reengineered their engines to emit less nitrous oxides and so meet the regulations without the need for adblue.
Click to expand...

2.5 gallons does about 800 miles. separate tank from diesel
 
Ruddy EU ****e... That volcano down in Chile put out more toxic crap than they could ever imagine! :mad: Our own planet has the capability to do us in regardless of farting cows & fossil fuels
 
There are two ways of reducing NOx, and I think ADBlue or any post burn approach is the wrong way around as your curing the result not the cause.

Carbon Monoxide and NOx are created when you burn a fuel fast and at high temp. In the past on Diesel engine emission controls were basically just EGR valves, these were used to feed exhaust gas back into the inlet to reduce the burn temp during combustion.

EGR valves have their own issues, first that's un filtered corrosive exhaust gasses your feeding back into your engine. Second this type of system can only work at idle or overrun on a turbo diesel, any other time the inlet manifold is at higher pressure than the exhaust. So when your pulling hard and the turbo is spun up to pressure there is no emissive controls, but this is when you need them most.

For me I believe the best approach is water methanol, this has been done for years on petrol, diesel, and jet engines. This works in two ways, both reducing NOx, and CO. First the Methanol improves the burn efficiency and this also has a result of giving extra power. Second the water cools the burn therefore slowing it down and reduces the CO and NOx, it also cools the intake air giving higher compression, again aiding efficient burn and producing more power.

With Water Meth, you do not need an EGR valve that has been proven to reduce engine life, you do not need to add chemicals to the exhaust, and you get more power for less emissions. I can't work out why this approach is not adopted main stream?
 
Murtle said:
There are two ways of reducing NOx, and I think ADBlue or any post burn approach is the wrong way around as your curing the result not the cause.

Carbon Monoxide and NOx are created when you burn a fuel fast and at high temp. In the past on Diesel engine emission controls were basically just EGR valves, these were used to feed exhaust gas back into the inlet to reduce the burn temp during combustion.

EGR valves have their own issues, first that's un filtered corrosive exhaust gasses your feeding back into your engine. Second this type of system can only work at idle or overrun on a turbo diesel, any other time the inlet manifold is at higher pressure than the exhaust. So when your pulling hard and the turbo is spun up to pressure there is no emissive controls, but this is when you need them most.

For me I believe the best approach is water methanol, this has been done for years on petrol, diesel, and jet engines. This works in two ways, both reducing NOx, and CO. First the Methanol improves the burn efficiency and this also has a result of giving extra power. Second the water cools the burn therefore slowing it down and reduces the CO and NOx, it also cools the intake air giving higher compression, again aiding efficient burn and producing more power.

With Water Meth, you do not need an EGR valve that has been proven to reduce engine life, you do not need to add chemicals to the exhaust, and you get more power for less emissions. I can't work out why this approach is not adopted main stream?
Click to expand...

I might suggest that its the same story as sentinel steam wagons, or the everlasting oil filter.

IMHO, both were shut down to make sure big business could keep taking money off folk.

If you can get more power out of a given amount of fuel, using an additive which is cheaper to produce than refined hydrocarbons, then the rather large oil companies may, or may not, have a vested interest in "going in a different direction", if you get my drift?:D
 
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