[1] In 2003, GM introduced a hybrid diesel-electric military (light) truck that is equipped with a diesel electric and a fuel cell auxiliary power unit.
Hybrid electric light trucks were introduced in 2004 by Mercedes-Benz (Sprinter) and Micro-Vett SPA (Daily Bimodale).
They claim that approximately 300 vehicles, mostly route buses are using the Hinos HIMR (Hybrid Inverter Controlled Motor & Retarder) system.
[6] In December 2019, Nikola Corporation in a joint venture with Iveco and FPT Industrial introduced zero emission class 8 truck in US market.
By a voice vote, the United States House of Representatives approved the Heavy Duty Hybrid Vehicle Research, Development, and Demonstration Act of 2009 (for heavy duty plug-in hybrid vehicles) authored by representative James Sensenbrenner.