A real-world test spanning 9,000 miles demonstrates that electric trucks can handle towing duties reliably, but only with large battery packs that early critics dismissed as excessive. The findings validate General Motors' strategy of deploying oversized batteries in vehicles like the Hummer EV, a design choice that faced widespread mockery when these trucks first entered development.
The extended test exposed a hard reality in electric truck performance. Battery capacity directly determines towing capability and range under load. Vehicles carrying smaller battery packs experienced steep range penalties during towing operations, with efficiency dropping significantly under the added strain. Trucks equipped with larger batteries maintained more predictable performance across varied conditions and loads.
GM's approach of engineering larger battery systems into its electric truck lineup now appears vindicated by empirical data. The company sized batteries for real-world towing scenarios rather than optimizing solely for efficiency metrics or lightweight construction. This contrasts with earlier electric truck designs that prioritized smaller, lighter battery systems and subsequently struggled under load.
The 9,000-mile journey tested electric trucks across diverse terrain, weather patterns, and towing weights. Data collected during these trials showed that battery degradation risk increases substantially when vehicles operate at reduced efficiency levels over extended periods. Larger battery packs distribute the energy demands more effectively, reducing stress on individual cells and improving longevity.
The findings carry implications for the entire electric truck market. Manufacturers face a choice between pursuing aggressive efficiency targets that compromise real-world towing performance, or following GM's model of substantial battery capacity. Buyers willing to accept heavier vehicles and higher upfront costs gain access to trucks that perform closer to their gasoline counterparts during demanding work.
This real-world evidence shifts the conversation away from abstract efficiency comparisons toward practical capability. Electric trucks can indeed tow, but only when manufacturers prioritize battery size over weight reduction. The industry's earlier criticism of large-battery