Is there a way to speed up rendering of volume scatter?

[thrilledburst (Marko Brečić)]

Using the Volume Scatter option under World options to mimic fog considerably increases render times, but gives off a nicer look to the image. Is there a way to render it faster? Or maybe even mimic the Volume Scatter look using compositing?

Volume Scatter on the right

[obsurveyor]

Sorry, don’t have a lot of time right now or I’d post a summary but watch this, he covers the settings that affect speed and a way to speed it up with compositing:

[thrilledburst (Marko Brečić)]

Thank you very much!