plug-in hybrid in December 2018. , the Outlander plug-in hybrid was available for retail sales in 50 countries. The following table presents retail sales and registrations for the top selling national markets by year through December 2015. Reception The Outlander PHEV was selected as one of the top five finalists for the 2014 World Green Car of the Year. Battery incident In March 2013, the battery pack of an Outlander PHEV at a dealership in Yokohama overheated and melted some of the battery cells, after the vehicle had been fully charged and stood for one day. Nobody was injured in the incident. The battery packs are produced by GS Yuasa, the same company that supplies the batteries for the Boeing 787 Dreamliner, whose entire fleet was grounded in January 2013 for battery problems. Mitsubishi did not issue a recall but halted production and sales until it determined the cause of the battery problems. The carmaker advised the 4,000 owners of the Outlander plug-in hybrid to drive only on gasoline mode for the time being. On 19 August 2013, after changing a production process to avoid damaging any batteries, Mitsubishi restarted production of the Outlander plug-in hybrid. Fourth generation (GM/GN/ZM; 2021) The fourth-generation Outlander debuted on February 16, 2021. It first takes inspiration from the GT-PHEV concept which debuted at the 2016 Paris Motor Show, then the Engelberg Tourer concept which debuted at the 2019 Geneva Motor Show, and finally developed four years after Nissan purchased a 34 percent stake in Mitsubishi Motors. It is based on the Nissan Rogue/X-Trail (T33), riding on the CMF-CD platform, first ever for a Mitsubishi vehicle. Like its predecessor, it continues to offer the same seven-seat configuration. Changes include the new PR25DD 2.5-litre petrol engine shared with the Nissan Rogue, producing and . A plug-in hybrid powertrain is expected with diesel powertrains discontinued. Due to its close ties with the Rogue, many interior elements are also shared with this model. New interior features include an available 9.0-inch infotainment system with wireless Apple CarPlay, a 12.3-inch digital instrument cluster and a head-up display. In the US, it is sold in five trim levels: ES, SE, SE Launch Edition, SEL and SEL Launch Edition. The model was introduced in Australia in November 2021 and went on sale in February 2022. Trim levels available are ES, LS, Aspire, Exceed and Exceed Tourer, with the ES trim receiving both