6-10 yrs topsThe more i read the more urgency to keep things rolling at Head office lol 6-10 years FT has for colbalt Revolution No more!.... Tech replacments only take 10 years to infltrate ,,, hope its a Long cold winter for that ice road,,, my bet is China $$$$ carry us forward Asia and Europ will be the EV Revolution years before USA. Cheers!