Editing Active Fuel Management (section)

==Third generation==
In January 2018, GM announced an improved version of AFM called ''Dynamic Fuel Management'' to be initially released in Chevy Silverado trucks. This system shuts off any number of cylinders in a variety of combinations, maximizing fuel economy and avoiding switching between banks of cylinders.<ref>{{cite web
 | url=http://www.gm.com:80/mol/m-2018-jan-0113-2019-silverado.html
 | archive-url=https://web.archive.org/web/20180426022622/http://www.gm.com/mol/m-2018-jan-0113-2019-silverado.html
 | url-status=dead
 | archive-date=2018-04-26
 | title='19 Silverado may emerge as efficiency leader
 | access-date=2018-02-21
 }}</ref><ref>{{cite web
 | url=http://www.gm.com:80/mol/m-2018-jan-0113-2019-silverado.html
 | archive-url=https://web.archive.org/web/20180426022622/http://www.gm.com/mol/m-2018-jan-0113-2019-silverado.html
 | url-status=dead
 | archive-date=2018-04-26
 | title=Introducing the All-New 2019 Chevrolet Silverado
 | access-date=2018-02-21
 }}</ref> This is achieved by using oil pressure solenoids to collapse each individual hydraulic valve lifter, allowing for fully independent individual cylinder control. The system is based on ''Dynamic Skip Fire,''<ref>{{Cite journal|url=https://www.sae.org/publications/technical-papers/content/2013-01-0359/|title=Design and Benefits of Dynamic Skip Fire Strategies for Cylinder Deactivated Engines|first1=Mark|last1=Wilcutts|first2=Joshua|last2=Switkes|first3=Mark|last3=Shost|first4=Adya|last4=Tripathi|date=April 8, 2013|journal=SAE International Journal of Engines|volume=6|issue=1|pages=278–288|via=www.sae.org|doi=10.4271/2013-01-0359|url-access=subscription}}</ref> a technology developed by California company Tula Technology.<ref>{{cite web|url=https://www.sae.org/news/2018/05/gm-2019-v8s-with-dfm-system|title=GM adopts advanced cylinder deactivation for 2019 Chevy Silverado V8s|last=|first=|date=|website=|access-date=}}</ref> The [[General Motors LS-based small-block engine#L86/L87|6.2L V8 engine]] of the Chevrolet Silverado incorporating the technology was named one of [[Ward's 10 Best Engines]] for 2019.<ref>{{cite web | url = https://www.wardsauto.com/2019-10-best-engines/2019-winner-chevy-silverado-62l-ohv-v-8-dfm |title=2019 Winner: Chevy Silverado 6.2L OHV V-8 with DFM}}</ref>