Editing Diesel engine (section)

====2010s====
* 2010: [[Mitsubishi Motors|Mitsubishi]] developed and started mass production of its [[Mitsubishi 4N1 engine|4N13]] 1.8&nbsp;L DOHC I4, the world's first passenger car diesel engine that features a [[variable valve timing]] system.<ref name="Long_2013" />
* 2012: BMW introduces dual-stage turbocharging with three turbochargers for the [[BMW N57]] engine.<ref name="Merker_2014_179" />
* 2015: [[Common rail]] systems working with pressures of 2,500 bar launched.<ref name="Tschöke_2018_10" />
* 2015: In the [[Volkswagen emissions scandal]], the [[United States Environmental Protection Agency|US EPA]] issued a notice of violation of the [[Clean Air Act (United States)|Clean Air Act]] to [[Volkswagen Group]] after it was found that Volkswagen had intentionally programmed [[turbocharged direct injection]] (TDI) diesel engines to activate certain [[Exhaust gas|emissions]] controls only during laboratory [[emissions testing]].<ref name="Jordans_2015" /><ref name="EPA_2015" /><ref name="NPR_2015" /><ref name="Spiegel_2015" />