"Fredxx" wrote in message
news
On 10/03/2018 15:26, Tim+ wrote:
NY wrote:

I'm not sure what is is about compression-ignition that produces higher
NOx
than spark ignition.

Im pretty sure its just down to cylinder pressure and consequent
combustion temperature.

Hence why I don't understand why water injection for diesels has never
taken off. I presume its not as simple as it may seem.

Water injection for diesels. That sounds intriguing. I'll have to look up
what that's all about. I wonder if it needs a large amount of water in
addition to the diesel fuel?